Blank's Program Language: 網際網路程式設計期末考-參考答案

DeltaLeft-cheat

.aspx

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="WebForm1.aspx.cs" Inherits="DeltaAlpha.WebForm1" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">
<head id="Head1" runat="server">
    <title></title>
    <style type="text/css">
        td
        {
            text-align: center;
        }
        .style1
        {
            height: 20px;
        }
    </style>
</head>
<body>
    <h1>
        繪製三角形
    </h1>
    <form id="form1" runat="server">
    <div>
        請輸入三角形高度：
        <asp:TextBox ID="txtHeight" runat="server" Width="30px"></asp:TextBox>
        <asp:DropDownList ID="ddlType" runat="server">
            <asp:ListItem Value="L">正左</asp:ListItem>
            <asp:ListItem Value="R">正右</asp:ListItem>
            <asp:ListItem Value="C">等腰</asp:ListItem>
            <asp:ListItem Value="RL">倒左</asp:ListItem>
            <asp:ListItem Value="RR">倒右</asp:ListItem>
            <asp:ListItem Value="RC">倒等腰</asp:ListItem>
            <asp:ListItem Value="2C">背對背等腰</asp:ListItem>
            <asp:ListItem Value="4C">蝴蝶</asp:ListItem>
        </asp:DropDownList>
        <asp:Button ID="btnSubmit" runat="server" Text="確定" OnClick="btnSubmit_Click" />
    </div>
    <table>
        <tr>
            <td>
                <asp:Literal ID="ltDelta" runat="server"></asp:Literal>
            </td>
            <td>
                &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
            </td>
            <td>
                <asp:Literal ID="ltDelta2" runat="server"></asp:Literal>
            </td>
        </tr>
        <tr>
            <td class="style1">
                <asp:Literal ID="ltDelta3" runat="server"></asp:Literal>
            </td>
            <td class="style1">
                &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
            </td>
            <td class="style1">
                <asp:Literal ID="ltDelta4" runat="server"></asp:Literal>
            </td>
        </tr>
    </table>
    </form>
</body>
</html>

.aspx.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Text;

namespace DeltaAlpha
{
    public partial class WebForm1 : System.Web.UI.Page
    {
        private char[] symbols = new char[26 + 26 + 10];
        private static int symbolIndex = 0;

        protected void Page_Load(object sender, EventArgs e)
        {
            txtHeight.Focus();
            initSymbols();
        }

        private void initSymbols()
        {
            char c = '1';
            int i = 0;
            while (c != '9')
            {
                symbols[i++] = c;
                c = (char)(c + 1);
            }
            symbols[i++] = '0';
            c = 'A';
            while (c != 'Z')
            {
                symbols[i++] = c;
                c = (char)(c + 1);
            }
            c = 'a';
            while (c != 'z')
            {
                symbols[i++] = c;
                c = (char)(c + 1);
            }
        }

        private void resetSymbolIndex()
        {
            symbolIndex = 0;
        }

        private string currentSymbol()
        {
            //return symbols[symbolIndex];
            return "<img src='images/skull.png' alt='' />";
        }

        private char nextSymbol()
        {
            char c = symbols[symbolIndex];
            symbolIndex = (symbolIndex + 1) % symbols.Length;
            return c;
        }

        /// <summary>
        /// 偏左的直角三角形，第 i 層印 i 個骷髏頭
        /// </summary>
        /// <param name="h">三角形高度</param>
        /// <returns>HTML</returns>
        private string deltaLeft(int h)
        {
            resetSymbolIndex();
            StringBuilder sb = new StringBuilder();
            sb.Append("<table border='0'>");
            for (int i = 1; i <= h; i++)
            {
                sb.Append("<tr>");
                for (int j = 1; j <= i; j++)
                {
                    sb.Append("<td>" + currentSymbol() + "</td>");
                }
                sb.Append("</tr>"); nextSymbol();
            }
            sb.Append("</table>");
            return sb.ToString();
        }

        /// <summary>
        /// 偏右的直角三角形，第 i 層印 (h-i) 個空格和 i 個骷髏頭
        /// </summary>
        /// <param name="h">三角形高度</param>
        /// <returns>HTML</returns>
        private string deltaRight(int h)
        {
            resetSymbolIndex();
            StringBuilder sb = new StringBuilder();
            sb.Append("<table border='0'>");
            for (int i = 1; i <= h; i++)
            {
                sb.Append("<tr>");
                for (int j = 1; j <= (h - i); j++)
                {
                    sb.Append("<td>&nbsp;</td>");
                }
                for (int j = 1; j <= i; j++)
                {
                    sb.Append("<td>" + currentSymbol() + "</td>");
                }
                sb.Append("</tr>"); nextSymbol();
            }
            sb.Append("</table>");
            return sb.ToString();
        }

        /// <summary>
        /// 正的等腰三角形，第 i 層印 (h-i) 個空格和 (2i-1) 個骷髏頭
        /// </summary>
        /// <param name="h">三角形高度</param>
        /// <returns>HTML</returns>
        private string deltaIsosceles(int h)
        {
            resetSymbolIndex();
            StringBuilder sb = new StringBuilder();
            sb.Append("<table border='0'>");
            for (int i = 1; i <= h; i++)
            {
                sb.Append("<tr>");
                for (int j = 1; j <= (h - i); j++)
                {
                    sb.Append("<td>&nbsp;</td>");
                }
                for (int j = 1; j <= (2 * i - 1); j++)
                {
                    sb.Append("<td>" + currentSymbol() + "</td>");
                }
                sb.Append("</tr>"); nextSymbol();
            }
            sb.Append("</table>");
            return sb.ToString();
        }


        /// <summary>
        /// 倒的偏左的直角三角形，第 i 層印 (h-i+1) 個骷髏頭
        /// </summary>
        /// <param name="h">三角形高度</param>
        /// <returns>HTML</returns>
        private string deltaDownLeft(int h)
        {
            resetSymbolIndex();
            StringBuilder sb = new StringBuilder();
            sb.Append("<table border='0'>");
            for (int i = 1; i <= h; i++)
            {
                sb.Append("<tr>");
                for (int j = 1; j <= (h - i + 1); j++)
                {
                    sb.Append("<td>" + currentSymbol() + "</td>");
                }
                sb.Append("</tr>"); nextSymbol();
            }
            sb.Append("</table>");
            return sb.ToString();
        }

        /// <summary>
        /// 倒的偏右的直角三角形，第 i 層印 (i-1) 個空格和 (h-i+1) 個骷髏頭
        /// </summary>
        /// <param name="h">三角形高度</param>
        /// <returns>HTML</returns>
        private string deltaDownRight(int h)
        {
            resetSymbolIndex();
            StringBuilder sb = new StringBuilder();
            sb.Append("<table border='0'>");
            for (int i = 1; i <= h; i++)
            {
                sb.Append("<tr>");
                for (int j = 1; j <= (i - 1); j++)
                {
                    sb.Append("<td>&nbsp;</td>");
                }
                for (int j = 1; j <= (h - i + 1); j++)
                {
                    sb.Append("<td>" + currentSymbol() + "</td>");
                }
                sb.Append("</tr>"); nextSymbol();
            }
            sb.Append("</table>");
            return sb.ToString();
        }

        /// <summary>
        /// 倒的等腰三角形，第 i 層印 (i-1) 個空格和 2(h-i)+1 個骷髏頭
        /// </summary>
        /// <param name="h">三角形高度</param>
        /// <returns>HTML</returns>
        private string deltaDownIsosceles(int h)
        {
            resetSymbolIndex();
            StringBuilder sb = new StringBuilder();
            sb.Append("<table border='0'>");
            for (int i = 1; i <= h; i++)
            {
                sb.Append("<tr>");
                for (int j = 1; j <= (i - 1); j++)
                {
                    sb.Append("<td>&nbsp;</td>");
                }
                for (int j = 1; j <= (2 * (h - i) + 1); j++)
                {
                    sb.Append("<td>" + currentSymbol() + "</td>");
                }
                sb.Append("</tr>"); nextSymbol();
            }
            sb.Append("</table>");
            return sb.ToString();
        }

        /// <summary>
        /// 背對背等腰三角形，第 i 層印 (h-i) 個空格和 2i 個骷髏頭
        /// </summary>
        /// <param name="h">三角形高度</param>
        /// <returns>HTML</returns>
        private string delta2Isosceles(int h)
        {
            resetSymbolIndex();
            StringBuilder sb = new StringBuilder();
            sb.Append("<table border='0'>");
            for (int i = 1; i <= h; i++)
            {
                sb.Append("<tr>");
                for (int j = 1; j <= (h - i); j++)
                {
                    sb.Append("<td>&nbsp;</td>");
                }
                for (int j = 1; j <= 2 * i; j++)
                {
                    sb.Append("<td>" + currentSymbol() + "</td>");
                }
                sb.Append("</tr>"); nextSymbol();
            }
            sb.Append("</table>");
            return sb.ToString();
        }

        protected void btnSubmit_Click(object sender, EventArgs e)
        {
            int h = int.Parse(txtHeight.Text);
            string type = ddlType.SelectedValue;
            ltDelta.Text = ltDelta2.Text = ltDelta3.Text = ltDelta4.Text = "";
            if (type.Equals("L"))
                ltDelta.Text = deltaLeft(h);
            else if (type.Equals("R"))
                ltDelta.Text = deltaRight(h);
            else if (type.Equals("C"))
                ltDelta.Text = deltaIsosceles(h);
            else if (type.Equals("RL"))
                ltDelta.Text = deltaDownLeft(h);
            else if (type.Equals("RR"))
                ltDelta.Text = deltaDownRight(h);
            else if (type.Equals("RC"))
                ltDelta.Text = deltaDownIsosceles(h);
            else if (type.Equals("2C"))
            {
                ltDelta.Text = deltaDownRight(h);
                ltDelta2.Text = deltaDownLeft(h);
            }
            else if (type.Equals("4C"))
            {
                ltDelta.Text = deltaDownRight(h);
                ltDelta2.Text = deltaDownLeft(h);
                ltDelta3.Text = deltaRight(h);
                ltDelta4.Text = deltaLeft(h);
            }
            txtHeight.Focus();
        }
    }
}

GCD-OK

.aspx

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="WebForm1.aspx.cs" Inherits="GCD.WebForm1" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title>兩正整數的最大公因數與最小公倍數</title>
    <style type="text/css">
        div
        {
            text-align:center;          
            }
    </style>
</head>
<body>
    <form id="form1" runat="server">
    <div>
    <h1>兩正整數的最大公因數與最小公倍數</h1>  
    <hr />  

        <br />
        <asp:Label ID="Label1" runat="server" Text="第一正整數N： "></asp:Label>
        <asp:TextBox ID="TextBox1" runat="server"></asp:TextBox>
        <asp:RequiredFieldValidator ID="RequiredFieldValidator1" runat="server" 
            ControlToValidate="TextBox1" ErrorMessage="請輸入N">*</asp:RequiredFieldValidator>
&nbsp;<asp:RangeValidator ID="RangeValidator1" runat="server" 
            ControlToValidate="TextBox1" ErrorMessage="N值需大於0" MaximumValue="99999999" 
            MinimumValue="0" Type="Integer">*</asp:RangeValidator>
&nbsp;&nbsp;
        <asp:Label ID="Label2" runat="server" Text="第二正整數M： "></asp:Label>
        <asp:TextBox ID="TextBox2" runat="server"></asp:TextBox>
        <asp:RequiredFieldValidator ID="RequiredFieldValidator2" runat="server" 
            ControlToValidate="TextBox2" ErrorMessage="請輸入M">*</asp:RequiredFieldValidator>
        <asp:RangeValidator ID="RangeValidator2" runat="server" 
            ControlToValidate="TextBox2" ErrorMessage="M值需大於0" MaximumValue="99999999" 
            MinimumValue="0" Type="Integer">*</asp:RangeValidator>
        <br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
        <asp:ValidationSummary ID="ValidationSummary1" runat="server" 
            HeaderText="以下資料有誤" ShowMessageBox="True" />
        <asp:Button ID="Button1" runat="server" onclick="Button1_Click" Text="送出" />
        <asp:Button ID="Button2" runat="server" onclick="Button2_Click" Text="清除" />
        <br />
        <br />
        <asp:Literal ID="Literal1" runat="server"></asp:Literal>

    </div>
    </form>
</body>
</html>

.aspx.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;

namespace GCD
{
    public partial class WebForm1 : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {

        }

        protected void Button2_Click(object sender, EventArgs e)
        {
            TextBox1.Text = "";
            TextBox2.Text = "";
        }

        protected void Button1_Click(object sender, EventArgs e)
        {
            int n = int.Parse(TextBox1.Text);
            int m = int.Parse(TextBox2.Text);
            int c = 1;
            string str = n + " 與 " + m;
            int nn=n,mm=m;
            while (c>0) {
                c = nn % mm;
                nn = mm;
                mm = c;
            }
            if (nn == 1)
            {
                str += "兩數互質!<br>";
            }
            else {
                str += "最大公因數是 " + nn + "<br>";
            }
            str += "最小公倍數是 " + m * n / nn;
            Literal1.Text = str;

        }
    }
}

ListPrime-OK

.aspx

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="WebForm1.aspx.cs" Inherits="ListPrime.WebForm1" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title>印出小於N的質數</title>
    <style type="text/css">
        h1
        {
            text-align:center;
            }
    </style>
</head>
<body>
    <form id="form1" runat="server">
    <div>
    <h1>印出小於N的質數</h1>
        <p>&nbsp;</p>
        <hr />
        <p>
            <asp:Label ID="Label1" runat="server" Text="請輸入N值： "></asp:Label>
            <asp:TextBox ID="TextBox1" runat="server"></asp:TextBox>
            <asp:Button ID="Button1" runat="server" onclick="Button1_Click" Text="送出" />
            <asp:Button ID="Button2" runat="server" onclick="Button2_Click" Text="清除" />
            <asp:RequiredFieldValidator ID="RequiredFieldValidator1" runat="server" 
                ControlToValidate="TextBox1" ErrorMessage="請輸入"> *</asp:RequiredFieldValidator>
            <asp:RangeValidator ID="RangeValidator1" runat="server" 
                ControlToValidate="TextBox1" ErrorMessage="須輸入大於等於2的正整數" MaximumValue="9999999" 
                MinimumValue="2" Type="Integer">*</asp:RangeValidator>
        </p>
        <asp:ValidationSummary ID="ValidationSummary1" runat="server" />
        <asp:Literal ID="Literal1" runat="server"></asp:Literal>
    </div>
    </form>
</body>
</html>

.aspx.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;

namespace ListPrime
{
    public partial class WebForm1 : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {

        }

        protected void Button2_Click(object sender, EventArgs e)
        {
            TextBox1.Text = "";
        }

        protected void Button1_Click(object sender, EventArgs e)
        {
            int n = int.Parse(TextBox1.Text);
            int i, j;
            int count = 0;
            bool flag;
            string str = "比" + n + "小的質數是： ";
            if (n == 2)
            {
                Literal1.Text = "沒有比2小的質數。";
            }
            else {
                for (i = 2; i < n;i++ )
                {
                    for (j = 2, flag = true; j * j <= i &&flag; j++)
                        {
                            if (i % j == 0) flag = false;
                        }
                        if (flag==true)
                        {
                            if (count != 0)
                                str += ", ";
                            str += "" + i;
                            count++;
                        }
                }
                str += "<br>以上共計 "+ count + " 個質數。";
                Literal1.Text = str;
            }


        }
    }
}

.aspx

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="WebForm1.aspx.cs" Inherits="Login.WebForm1" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title>模擬登入畫面</title>
    <style type="text/css">
        div
        {
            text-align:center;
            margin: 1em 10%;
            background-color:Aqua;
            }
    </style>
</head>
<body>
    <form id="form1" runat="server">
    <div>
    <h1>模擬登入畫面</h1>
    <hr />
        <asp:Label ID="Label1" runat="server" Text="帳號： "></asp:Label>
        <asp:TextBox ID="TextBox1" runat="server"></asp:TextBox>
        <asp:RequiredFieldValidator ID="RequiredFieldValidator1" runat="server" 
            ControlToValidate="TextBox1" ErrorMessage="請輸入帳號"></asp:RequiredFieldValidator>
        <br />
        <asp:Label ID="Label2" runat="server" Text="密碼： "></asp:Label>
        <asp:TextBox ID="TextBox2" runat="server" TextMode="Password"></asp:TextBox>
        <asp:RequiredFieldValidator ID="RequiredFieldValidator2" runat="server" 
            ControlToValidate="TextBox2" ErrorMessage="請輸入密碼"></asp:RequiredFieldValidator>
        <br />
        <asp:Button ID="Button1" runat="server" Text="登入" onclick="Button1_Click" />
        &nbsp;&nbsp;&nbsp;
        <asp:Button ID="Button2" runat="server" Text="重設" onclick="Button2_Click" />
        <br />
        <asp:CompareValidator ID="CompareValidator1" runat="server" 
            ControlToCompare="TextBox2" ControlToValidate="TextBox1"></asp:CompareValidator>
    </div>
    </form>
</body>
</html>

.aspx.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;

namespace Login
{
    public partial class WebForm1 : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {

        }

        protected void Button2_Click(object sender, EventArgs e)
        {
            TextBox1.Text = "";
            TextBox2.Text = "";
            TextBox1.Focus();
        }

        protected void Button1_Click(object sender, EventArgs e)
        {
            if (CompareValidator1.IsValid)
            {
                Response.Write("<script type='text/javascript'>alert('歡迎光臨');</script>");
                Response.Write("<script type='text/javascript'>self.moveTo(0,0);self.resizeTo(screen.availWidth,screen.availHeight);</script>");
                Response.Write("<script type='text/javascript'>window.location.replace('http://www.ywdeng.idv.tw')</script>");
            }
            else {
                Response.Write("<script type='text/javascript'>alert('帳號或密碼錯誤');</script>");
            }
        }
    }
}

MagicMatrix-cheat
演算法筆記參考：http://openhome.cc/Gossip/AlgorithmGossip/OddArray.htm

.aspx

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="WebForm1.aspx.cs" Inherits="MagicMatrix.WebForm1" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title>九宮格（加強版）</title>
    <style type="text/css">
.numberTextBox { text-align:center; }
</style>
</head>
<body>
    <form id="form1" runat="server">
    <div align="center">
        <h1>
            九宮格（加強版）</h1>
        <asp:Panel ID="Panel1" runat="server" HorizontalAlign="Center">
            請輸入一個大於等於 3 的奇數:
            <asp:TextBox ID="TextBox1" runat="server" CssClass="numberTextBox" Width="73px" AutoPostBack="True"
                OnTextChanged="Button1_Click"></asp:TextBox>
            <asp:Button ID="Button1" runat="server" OnClick="Button1_Click" Text="顯示" /><br />
            <asp:PlaceHolder ID="PlaceHolder1" runat="server"></asp:PlaceHolder>
            <asp:Label ID="lblSum" runat="server"></asp:Label>
        </asp:Panel>
        <asp:Panel ID="panelError" Visible="false" HorizontalAlign="center" runat="server">
            <asp:Label ID="lblMsg" runat="server"></asp:Label>
            <br />
            <asp:Button ID="btnReset" runat="server" Text="確定" OnClick="btnReset_Click" />
        </asp:Panel>
    </div>
    </form>
</body>
</html>

.aspx.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;

namespace MagicMatrix
{
    public partial class WebForm1 : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            if (!IsPostBack)
            {
                setFocus();
            }
        }

        private void setFocus()
        {
            this.TextBox1.Focus();
            ClientScript.RegisterStartupScript(this.GetType(),
                "selectDefault",
                "document.getElementById('" + TextBox1.ClientID + "').select();",
                true);
        }
        private int[,] makeMatrix(int n)
        {
            int[,] m = new int[n, n];
            int total = n * n;
            int digit = 1;
            int x, y;
            for (y = 0; y < n; y++)
                for (x = 0; x < n; x++)
                    m[y, x] = 0;
            x = n / 2;
            y = n - 1;
            while (digit <= total)
            {
                m[y, x] = digit;
                int nextX = (x + 1) % n;
                int nextY = (y + 1) % n;
                if (m[nextY, nextX] != 0)
                {
                    y = y - 1;
                }
                else
                {
                    x = nextX;
                    y = nextY;
                }
                digit++;
            }
            return m;
        }
        private void showMatrix(int[,] m)
        {
            Table t = new Table();
            t.HorizontalAlign = HorizontalAlign.Center;
            t.BorderStyle = BorderStyle.Solid;
            int sum = 0;
            for (int i = 0; i < m.GetLength(0); i++)
            {
                sum += m[i, 0];
                TableRow row = new TableRow();
                for (int j = 0; j < m.GetLength(1); j++)
                {
                    TableCell cell = new TableCell();
                    cell.Text = m[i, j].ToString();
                    cell.BorderStyle = BorderStyle.Solid;
                    cell.HorizontalAlign = HorizontalAlign.Center;
                    cell.VerticalAlign = VerticalAlign.Middle;
                    cell.Width = 40;
                    cell.Height = 40;
                    row.Cells.Add(cell);
                }
                t.Rows.Add(row);
            }
            lblSum.Text = "總和 = " + sum;
            this.PlaceHolder1.Controls.Clear();
            this.PlaceHolder1.Controls.Add(t);
        }
        protected void Button1_Click(object sender, EventArgs e)
        {
            lblSum.Text = "";
            try
            {
                int n = Convert.ToInt32(this.TextBox1.Text.Trim());
                if (((n & 0x1) == 1) && (n >= 3))
                {
                    int[,] matrix = makeMatrix(n);
                    showMatrix(matrix);
                    setFocus();
                }
                else
                {
                    showError("請輸入一個大於等於 3 的奇數");
                }
            }
            catch (Exception)
            {
                showError("數字格式錯誤!");
            }
        }
        private void showError(string msg)
        {
            lblMsg.Text = msg;
            this.Panel1.Visible = false;
            this.panelError.Visible = true;
        }
        protected void btnReset_Click(object sender, EventArgs e)
        {
            this.panelError.Visible = false;
            this.Panel1.Visible = true;
            setFocus();
        }
    }
}

Notes-cheat

.aspx

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="WebForm1.aspx.cs" Inherits="Ex7_2_Notes.WebForm1" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head id="Head1" runat="server">
    <title>留言板範例</title>
    <style>
        #wrapper
        {
            margin: 1em 10%;
            padding: 1em;
            background-color: #FFC;
            text-align: center;
        }
        table
        {
            margin: 1em auto;
            text-align: left;
        }
        tr
        {
            vertical-align: middle;
            text-align: left;
        }
        tr.top
        {
            vertical-align: top;
        }
        th
        {
            text-align: right;
        }
        td
        {
            text-align: left;
        }
        a
        {
            text-decoration: none;
        }
        a:link
        {
            color: #FFC;
        }
        a:visited
        {
            color: #FFC;
        }
        span.redStar
        {
            font-weight: bold;
            color: Red;
        }
    </style>
    <script type="text/javascript">
        function ValidateCaptcha(sender, arg) {
            var captcha1 = document.getElementById("<%= hfCaptcha.ClientID %>");
            if (arg.Value == captcha1.value) {
                arg.IsValid = true;
            } else {
                arg.IsValid = false;
            }
        }
    </script>
</head>
<body>
    <form id="form1" runat="server">
    <div id="wrapper">
        <h1>
            留言板</h1>
        <hr />
        <asp:Panel ID="panelList" runat="server" HorizontalAlign="Center">
            <asp:Button ID="btnPostNote" runat="server" Text="我要留言" OnClick="btnPostNote_Click" />
            <asp:Table ID="tblNotes" runat="server">
            </asp:Table>
        </asp:Panel>
        <asp:Panel ID="panelPost" runat="server" Visible="false" HorizontalAlign="Center">
            <table>
                <tr>
                    <th>
                        <span class="redStar">*</span> 姓名：
                    </th>
                    <td>
                        <asp:TextBox ID="txtName" runat="server"></asp:TextBox>
                    </td>
                </tr>
                <tr>
                    <th>
                        <span class="redStar">*</span> 信箱：
                    </th>
                    <td>
                        <asp:TextBox ID="txtEmail" runat="server" Width="350px"></asp:TextBox>
                    </td>
                </tr>
                <tr>
                    <th>
                        網站：
                    </th>
                    <td>
                        <asp:TextBox ID="txtWebSite" runat="server" Width="350px"></asp:TextBox>
                    </td>
                </tr>
                <tr valign="middle">
                    <th>
                        <span class="redStar">*</span>驗證碼：
                    </th>
                    <td>
                        <asp:TextBox ID="txtCaptcha" runat="server"></asp:TextBox>
                        &nbsp;&nbsp;&nbsp;
                        <asp:Image ID="imgCaptcha" runat="server" ImageAlign="Top" ToolTip="請在驗證欄位內輸入圖中的文字" />
                        <asp:Button ID="btnCaptcha" runat="server" Text="重新產生" ToolTip="重新產生驗證碼" 
                            onclick="btnCaptcha_Click" ValidationGroup="vgCaptcha" />
                    </td>
                </tr>
                <tr class="top">
                    <th>
                        <span class="redStar">*</span> 留言：
                    </th>
                    <td rowspan="2">
                        <asp:TextBox ID="txtNote" runat="server" Rows="6" TextMode="MultiLine" Width="350px"></asp:TextBox>
                    </td>
                </tr>
                <tr class="top">
                    <th>
                        <asp:Button ID="btnSubmit" runat="server" Text="送出" OnClick="btnSubmit_Click" 
                            ValidationGroup="vgMain" /><br />
                        <asp:Button ID="btnCancel" runat="server" Text="取消" onclick="btnCancel_Click" 
                            ValidationGroup="vgCancel" />
                    </th>
                </tr>
            </table>
            <asp:HiddenField ID="hfCaptcha" runat="server" />
            <asp:RequiredFieldValidator runat="server" ID="rfvName" ControlToValidate="txtName"
                Display="None" ErrorMessage="請輸入姓名" ForeColor="Red" SetFocusOnError="True" 
                ValidationGroup="vgMain"></asp:RequiredFieldValidator>
            <asp:RequiredFieldValidator runat="server" ID="rfvEmail" ControlToValidate="txtEmail"
                ErrorMessage="請輸入 Email" ForeColor="Red" SetFocusOnError="True" 
                Display="None" ValidationGroup="vgMain"></asp:RequiredFieldValidator>
            <asp:RegularExpressionValidator runat="server" ID="revEmail" ErrorMessage="請輸入正確的 Email！"
                ValidationExpression="\w+([-+.']\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*" ControlToValidate="txtEmail"
                ForeColor="Red" SetFocusOnError="True" Display="None" 
                ValidationGroup="vgMain"></asp:RegularExpressionValidator>
            <asp:RegularExpressionValidator runat="server" ID="revWebSite" ErrorMessage="請輸入正確的網站 URL！"
                ValidationExpression="http(s)?://([\w-]+\.)+[\w-]+(/[\w- ./?%&amp;=]*)?" ControlToValidate="txtWebSite"
                ForeColor="Red" SetFocusOnError="True" Display="None" 
                ValidationGroup="vgMain"></asp:RegularExpressionValidator>
            <asp:RequiredFieldValidator runat="server" ID="rfvCaptcha" ControlToValidate="txtCaptcha"
                Display="None" ForeColor="Red" ValidationGroup="vgMain"></asp:RequiredFieldValidator>
            <asp:CustomValidator ID="cvCaptcha" runat="server" ControlToValidate="txtCaptcha"
                ClientValidationFunction="ValidateCaptcha" ErrorMessage="驗證碼不正確！" ValidateEmptyText="true"
                Display="None" ForeColor="Red" ValidationGroup="vgMain"></asp:CustomValidator>
            <asp:RequiredFieldValidator ID="rfvNote" runat="server" ControlToValidate="txtNote"
                ErrorMessage="請輸入留言" ForeColor="Red" SetFocusOnError="True" Display="None" 
                ValidationGroup="vgMain"></asp:RequiredFieldValidator>
            <asp:ValidationSummary ID="ValidationSummary1" runat="server" ShowMessageBox="True"
                ShowSummary="False" ForeColor="Red" ValidationGroup="vgMain" />
        </asp:Panel>
    </div>
    </form>
</body>
</html>

.aspx.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Text;
using System.Drawing;
using System.Drawing.Imaging;
using System.Drawing.Text;
using System.IO;

namespace Ex7_2_Notes
{
    public partial class WebForm1 : System.Web.UI.Page
    {
        private static string[] captchaDigits;
        private static Random random = new Random();
        private const int CAPTCHA_LEN = 6;
        private const int CAPTCHA_WIDTH = 80;
        private const int CAPTCHA_HEIGHT = 26;
        private static List<NoteItem> notesList = new List<NoteItem>();

        protected void Page_Load(object sender, EventArgs e)
        {
            if (!IsPostBack)
            {
                initCaptcha();
            }
        }

        private void refreshCaptcha()
        {
            string captcha = getCaptchaString(CAPTCHA_LEN);
            hfCaptcha.Value = captcha;
            string captchaUrl = getCaptchaImage(captcha);
            if (captchaUrl != null)
            {
                imgCaptcha.ImageUrl = captchaUrl;
            }
        }

        private void initCaptcha()
        {
            captchaDigits = new string[35];
            int i, j;
            for (i = 1; i < 10; i++)
            {
                captchaDigits[i - 1] = i.ToString();
            }
            char c = 'a';
            for (j = 1; j <= 26; i++, j++)
            {
                captchaDigits[i - 1] = c.ToString();
                c++;
            }
        }

        private string getCaptchaString(int len)
        {
            StringBuilder sb = new StringBuilder();
            for (int i = 0; i < len; i++)
            {
                int n = random.Next(captchaDigits.Length);
                sb.Append(captchaDigits[n]);
            }
            return sb.ToString();
        }

        private string getCaptchaImage(string s)
        {
            string imageUrl = "~/images/" + s + ".png";
            string serverPath = HttpContext.Current.Server.MapPath("~/images");
            string imageFileName = serverPath + "/" + s + ".png";
            Bitmap bmp = new Bitmap(CAPTCHA_WIDTH, CAPTCHA_HEIGHT, PixelFormat.Format24bppRgb);
            Graphics g = Graphics.FromImage(bmp);

            g.TextRenderingHint = TextRenderingHint.AntiAlias;
            g.Clear(Color.Orange);
            g.DrawRectangle(Pens.White, 1, 1, CAPTCHA_WIDTH - 3, CAPTCHA_HEIGHT - 3);
            g.DrawRectangle(Pens.Gray, 2, 2, CAPTCHA_WIDTH - 3, CAPTCHA_HEIGHT - 3);
            g.DrawRectangle(Pens.Black, 0, 0, CAPTCHA_WIDTH, CAPTCHA_HEIGHT);
            g.DrawString(s, new Font("Courier New", 12, FontStyle.Bold), SystemBrushes.WindowText, new PointF(4, 4));

            // save to file
            FileStream objFileStream = null;
            try
            {
                objFileStream = new FileStream(imageFileName, FileMode.OpenOrCreate);
                BinaryWriter objBinaryWriter = new BinaryWriter(objFileStream);
                bmp.Save(objFileStream, ImageFormat.Png);
            }
            catch (Exception ex)
            {
                imageUrl = null;
            }
            finally
            {
                if (objFileStream != null) objFileStream.Close();
                g.Dispose();
                bmp.Dispose();
            }
            return imageUrl;
        }

        protected void btnPostNote_Click(object sender, EventArgs e)
        {
            panelList.Visible = false;
            panelPost.Visible = true;
            refreshCaptcha();
            txtName.Focus();
        }

        protected void btnSubmit_Click(object sender, EventArgs e)
        {
            NoteItem item = new NoteItem(txtName.Text.Trim(), txtEmail.Text.Trim().ToLower(),
                txtWebSite.Text.Trim(), txtNote.Text.Trim());
            notesList.Add(item);
            tblNotes.Rows.Clear();
            foreach (NoteItem i in notesList)
            {
                tblNotes.Rows.Add(i.ToTableRow());
            }
            panelList.Visible = true;
            panelPost.Visible = false;
        }

        protected void btnCaptcha_Click(object sender, EventArgs e)
        {
            refreshCaptcha();
            txtCaptcha.Text = "";
            txtCaptcha.Focus();
        }

        protected void btnCancel_Click(object sender, EventArgs e)
        {
            txtName.Text = "";
            txtEmail.Text = "";
            txtWebSite.Text = "";
            txtCaptcha.Text = "";
            txtNote.Text = "";
            panelList.Visible = true;
            panelPost.Visible = false;
        }
    }
}

ShoppingCart-cheat

.aspx

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="WebForm1.aspx.cs" Inherits="ShopingCart.WebForm1" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head id="Head1" runat="server">
    <title>加入購物車</title>
</head>
<body>
    <h1 align="center">
        選購商品加入購物車</h1>
    <hr />
    <form id="form1" runat="server">
    <table align="center" border="0">
        <tr align="left">
            <th>
                產品清單
            </th>
            <td>
                &nbsp;
            </td>
            <th>
                我的購物車
            </th>
        </tr>
        <tr align="left">
            <td>
                <asp:ListBox ID="lbProduct" runat="server" Rows="12" SelectionMode="Multiple" DataTextField="ProductName"
                    DataValueField="ProductID" Width="160px" ValidationGroup="product"></asp:ListBox>
            </td>
            <td align="center">
                <asp:Button ID="btnAddAll" runat="server" Text="全部加入" 
                    onclick="btnAddAll_Click" />
                <br /><br />
                <asp:Button ID="btnAdd" runat="server" Text="加入" OnClick="btnAdd_Click" 
                    ValidationGroup="product" />
                <br /><br />
                <asp:Button ID="btnRemove" runat="server" Text="移除" OnClick="btnRemove_Click" 
                    ValidationGroup="cart" />
                <br /><br />
                <asp:Button ID="btnRemoveAll" runat="server" Text="全部移除" 
                    onclick="btnRemoveAll_Click" />
            </td>
            <td>
                <asp:ListBox ID="lbCart" runat="server" Rows="12" SelectionMode="Multiple" DataTextField="ProductName"
                    DataValueField="ProductID" Width="160px" ValidationGroup="cart"></asp:ListBox>
            </td>
        </tr>
    </table>
    <asp:RequiredFieldValidator ID="rfvProduct" runat="server" 
        ErrorMessage="請從產品清單之中至少選擇一項產品！" ControlToValidate="lbProduct" Display="None" 
        SetFocusOnError="True" ValidationGroup="product"></asp:RequiredFieldValidator>
    <asp:RequiredFieldValidator ID="rfvCart" runat="server" 
        ControlToValidate="lbCart" Display="None" ErrorMessage="請從購物車之中至少選擇一項產品！" 
        SetFocusOnError="True" ValidationGroup="cart"></asp:RequiredFieldValidator>
    <asp:ValidationSummary ID="ValidationSummary1" runat="server" 
        ShowMessageBox="True" ShowSummary="False" ValidationGroup="product" />
    <asp:ValidationSummary ID="ValidationSummary2" runat="server" 
        ShowMessageBox="True" ShowSummary="False" ValidationGroup="cart" />
    </form>
</body>
</html>

.aspx.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;

namespace ShopingCart
{
    public partial class WebForm1 : System.Web.UI.Page
    {
        private List<ProductVO> listProd;   // 產品清單
        private List<ProductVO> listCart;   // 購物清單
        protected void Page_Load(object sender, EventArgs e)
        {
            if (!IsPostBack)
            {
                loadProduct();
            }
        }

        /// <summary>
        /// 從資料庫載入產品
        /// </summary>
        private void loadProduct()
        {
            ProductDAO dao = new ProductDAO();
            listProd = dao.FindAll();
            lbProduct.DataSource = listProd;
            lbProduct.DataBind();
            Session["ProductList"] = listProd;
            listCart = new List<ProductVO>();
            Session["ShoppingCart"] = listCart;
            updateButtonState();
        }

        /// <summary>
        /// 更新按鈕的狀態
        /// </summary>
        private void updateButtonState()
        {
            btnAdd.Enabled = btnAddAll.Enabled = (listProd != null) && (listProd.Count > 0);
            btnRemove.Enabled = btnRemoveAll.Enabled = (listCart != null) && (listCart.Count > 0);
        }

        /// <summary>
        /// 移動
        /// </summary>
        /// <param name="lbSrc">來源 ListBox</param>
        /// <param name="listSrc">來源清單</param>
        /// <param name="lbDst">目的地 ListBox</param>
        /// <param name="listDst">目的地清單</param>
        private void moveSelectedItems(ListBox lbSrc, List<ProductVO> listSrc, ListBox lbDst, List<ProductVO> listDst)
        {
            List<ProductVO> xList = new List<ProductVO>();
            int[] selected = lbSrc.GetSelectedIndices();
            for (int i = 0; i < selected.Length; i++)
            {
                ProductVO vo = listSrc[selected[i]];
                xList.Add(vo);
            }
            foreach (ProductVO vo in xList)
            {
                listSrc.Remove(vo);
                listDst.Add(vo);
            }
            lbSrc.DataSource = listSrc;
            lbSrc.DataBind();
            lbDst.DataSource = listDst;
            lbDst.DataBind();
            lbDst.ClearSelection();
            foreach (ProductVO vo in xList)
            {
                for (int i = 0; i < lbDst.Items.Count; i++)
                {
                    if (lbDst.Items[i].Value.Equals(vo.ProductID))
                    {
                        lbDst.Items[i].Selected = true;
                    }
                }
            }
        }

        /// <summary>
        /// 按下加入按鈕
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void btnAdd_Click(object sender, EventArgs e)
        {
            listProd = (List<ProductVO>)Session["ProductList"];
            listCart = (List<ProductVO>)Session["ShoppingCart"];
            moveSelectedItems(lbProduct, listProd, lbCart, listCart);
            Session["ProductList"] = listProd;
            Session["ShoppingCart"] = listCart;
            updateButtonState();
        }

        /// <summary>
        /// 按下移除按鈕
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void btnRemove_Click(object sender, EventArgs e)
        {
            listProd = (List<ProductVO>)Session["ProductList"];
            listCart = (List<ProductVO>)Session["ShoppingCart"];
            moveSelectedItems(lbCart, listCart, lbProduct, listProd);
            Session["ProductList"] = listProd;
            Session["ShoppingCart"] = listCart;
            updateButtonState();
        }

        /// <summary>
        /// 按下全部加入按鈕
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void btnAddAll_Click(object sender, EventArgs e)
        {
            for (int i = 0; i < lbProduct.Items.Count; i++)
            {
                lbProduct.Items[i].Selected = true;
            }
            btnAdd_Click(sender, e);
        }

        /// <summary>
        /// 按下全部移除按鈕
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void btnRemoveAll_Click(object sender, EventArgs e)
        {
            for (int i = 0; i < lbCart.Items.Count; i++)
            {
                lbCart.Items[i].Selected = true;
            }
            btnRemove_Click(sender, e);
        }
    }
}

SqlQuery-cheat

.aspx

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="WebForm1.aspx.cs" Inherits="SqlQuery.WebForm1" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head id="Head1" runat="server">
    <title>SQL 查詢</title>
    <style type="text/css">
    #wrapper { margin:1em auto; padding:1em; width:900px; background-color:#FFC; text-align:center; }
    #input { margin: 0 auto; text-align:left; }
    #buttons, #result { margin: 1em auto;}
    table { margin: 0 auto; text-align:left; }
    tr:nth-child(odd) { background-color:#eeedfc; }
    tr:nth-child(even) { background-color:#eefcee; }
    tr:first-child { background-color:#e7e7e7; }
    td, th { margin:4px; padding:4px; }
    th { text-align:center }    
    </style>
</head>
<body>
    <form id="form1" runat="server">
    <div id="wrapper">
    <h1>SQL 指令練習</h1>
    <hr />
    <div id="input">
        <asp:TextBox ID="txtSQL" runat="server" Rows="10" TextMode="MultiLine" 
            Width="100%"></asp:TextBox>
    </div>
    <div id="buttons">
        <asp:Button ID="btnExecute" runat="server" Text="執行" OnClick="btnExecute_Click" ToolTip="執行 INSERT, UPDATE, DELETE" />
        &nbsp;
        <asp:Button ID="btnQuery" runat="server" Text="查詢" OnClick="btnQuery_Click" ToolTip="執行 SELECT" />
    </div>
    <div id="result">
    <asp:PlaceHolder ID="phResult" runat="server"></asp:PlaceHolder>
    </div>
    </div>
    </form>
</body>
</html>

.aspx.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data;
using System.Data.SqlClient;
using System.Drawing;

namespace SqlQuery
{
    public partial class WebForm1 : System.Web.UI.Page
    {
        private const string ConnStrDatabase1 =
@"Data Source=.\SQLEXPRESS;AttachDbFilename=|DataDirectory|\Database1.mdf;Integrated Security=True;User Instance=True";
 
        protected void Page_Load(object sender, EventArgs e)
        {
        }

        /// <summary>
        /// 顯示錯誤訊息
        /// </summary>
        /// <param name="msg"></param>
        private void showError(string msg)
        {
            phResult.Controls.Clear();
            Label b = new Label();
            b.Text = msg;
            b.ForeColor = Color.Red;
            phResult.Controls.Add(b);
        }

        /// <summary>
        /// 顯示執行結果
        /// </summary>
        /// <param name="msg"></param>
        private void showResult(string msg)
        {
            phResult.Controls.Clear();
            Label b = new Label();
            b.Text = msg;
            b.ForeColor = Color.Blue;
            phResult.Controls.Add(b);
        }

        /// <summary>
        /// 按下『執行』按鈕，執行 INSERT, UPDATE, DELETE
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void btnExecute_Click(object sender, EventArgs e)
        {
            string sql = txtSQL.Text.Trim();
            try
            {
                using (SqlConnection conn = new SqlConnection(ConnStrDatabase1))
                {
                    SqlCommand cmd = new SqlCommand(sql, conn);
                    conn.Open();
                    int n = cmd.ExecuteNonQuery();
                    showResult("執行結果：" + n);
                    conn.Close();
                }
            }
            catch (Exception ex)
            {
                showError(ex.ToString());
            }
        }

        /// <summary>
        /// 按下『查詢』按鈕，執行 SELECT
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void btnQuery_Click(object sender, EventArgs e)
        {
            string sql = txtSQL.Text.Trim();
            try
            {
                using (SqlConnection conn = new SqlConnection(ConnStrDatabase1))
                {
                    SqlCommand cmd = new SqlCommand(sql, conn);
                    conn.Open();
                    SqlDataAdapter ada = new SqlDataAdapter(cmd);
                    DataSet ds = new DataSet();
                    ada.Fill(ds);
                    phResult.Controls.Clear();
                    foreach (DataTable table in ds.Tables)
                    {
                        Label space = new Label();
                        space.Text = "<p>&nbsp;</p>";
                        phResult.Controls.Add(space);
                        GridView gv = new GridView();
                        gv.DataSource = table;
                        gv.DataBind();
                        phResult.Controls.Add(gv);
                    }
                }
            }
            catch (Exception ex)
            {
                showError(ex.ToString());
            }
        }
    }
}

TicTacToe-cheat

.aspx

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="WebForm1.aspx.cs" Inherits="TicTacToe.WebForm1" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title>井字遊戲</title>
    <link href="StyleSheet.css" rel="stylesheet" type="text/css" />
</head>
<body>
    <form id="form1" runat="server">
    <asp:Panel ID="panelWrapper" runat="server" HorizontalAlign="center" Visible="true">
        <asp:Panel ID="panelRegister" runat="server" HorizontalAlign="center" Visible="true">
            <h1>Tic-Tac-Toe</h1>
            <hr />
            <h1>井字遊戲</h1>
            <asp:Table ID="Table1" runat="server" HorizontalAlign="Center">
                <asp:TableRow ID="TableRow1" runat="server" BackColor="Blue">
                    <asp:TableCell ID="TableCell1" runat="server" ForeColor="White">藍方姓名:</asp:TableCell>
                    <asp:TableCell ID="TableCell2" runat="server">
                        <asp:TextBox ID="txtBlue" runat="server" ValidationGroup="GameRegister" />
                    </asp:TableCell>
    </asp:TableRow>
    <asp:TableRow ID="TableRow2" runat="server" BackColor="Red">
                    <asp:TableCell ID="TableCell3" runat="server" ForeColor="White">紅方姓名:</asp:TableCell>
     <asp:TableCell ID="TableCell4" runat="server">
                        <asp:TextBox ID="txtRed" runat="server" ValidationGroup="GameRegister" />
                    </asp:TableCell>
    </asp:TableRow>
    <asp:TableRow ID="TableRow3" runat="server">
                    <asp:TableCell ID="TableCell5" ColumnSpan="2" runat="server">
                        <asp:Button ID="btnPlay" Text="開始玩" OnClick="btnPlay_Click" runat="server" 
       ValidationGroup="GameRegister" />
                        <asp:Button ID="btnReset" Text="清除" OnClick="btnPlay_Click" runat="server" />
                    </asp:TableCell>
    </asp:TableRow>
   </asp:Table>
   <asp:RequiredFieldValidator ID="rfvBlueName" runat="server" ControlToValidate="txtBlue"
                ErrorMessage="請輸入藍方姓名!" Display="None" SetFocusOnError="true" 
    ValidationGroup="GameRegister" />
            <asp:RequiredFieldValidator ID="rfvRedName" runat="server" ControlToValidate="txtRed"
                ErrorMessage="請輸入紅方姓名!" Display="None" SetFocusOnError="true" 
    ValidationGroup="GameRegister" />
            <asp:CompareValidator ID="cvNames" runat="server" ControlToValidate="txtBlue" 
    ControlToCompare="txtRed" Operator="NotEqual" ErrorMessage="藍方姓名與紅方姓名不可相同!" 
    Display="None" SetFocusOnError="True" ValidationGroup="GameRegister" />
   <asp:ValidationSummary ID="vsRegister" runat="server" ForeColor="Red"
                    ShowSummary="false" ShowMessageBox="true" ValidationGroup="GameRegister" />
            <asp:Label ID="lblMessage" runat="server" ForeColor="red"></asp:Label>
  </asp:Panel>
  <asp:Panel ID="panelPlay" runat="server" HorizontalAlign="center" Visible="false">
            <p><asp:Label ID="lblPlayRun" runat="server" Font-Size="Larger" Text="第1回合"></asp:Label></p>
   <asp:Label ID="lblHint" runat="server"></asp:Label>
   <table class="solidBorder">
                <tr>
                    <td><asp:Button ID="btn00" runat="server" OnClick="btn_Click" Width="40px" Height="40px"
       Font-Bold="True" Font-Size="Larger" CommandArgument="0,0" /></td>
                    <td><asp:Button ID="btn01" runat="server" OnClick="btn_Click" Width="40px" Height="40px"
       Font-Bold="True" Font-Size="Larger" CommandArgument="0,1" /></td>
                    <td><asp:Button ID="btn02" runat="server" OnClick="btn_Click" Width="40px" Height="40px"
       Font-Bold="True" Font-Size="Larger" CommandArgument="0,2" /></td>
                </tr>
                <tr>
                    <td><asp:Button ID="btn10" runat="server" OnClick="btn_Click" Width="40px" Height="40px"
       Font-Bold="True" Font-Size="Larger" CommandArgument="1,0" /></td>
                    <td><asp:Button ID="btn11" runat="server" OnClick="btn_Click" Width="40px" Height="40px"
       Font-Bold="True" Font-Size="Larger" CommandArgument="1,1" /></td>
                    <td><asp:Button ID="btn12" runat="server" OnClick="btn_Click" Width="40px" Height="40px"
       Font-Bold="True" Font-Size="Larger" CommandArgument="1,2" /></td>
                </tr>
                <tr>
                    <td><asp:Button ID="btn20" runat="server" OnClick="btn_Click" Width="40px" Height="40px"
       Font-Bold="True" Font-Size="Larger" CommandArgument="2,0" /></td>
                    <td><asp:Button ID="btn21" runat="server" OnClick="btn_Click" Width="40px" Height="40px"
       Font-Bold="True" Font-Size="Larger" CommandArgument="2,1" /></td>
                    <td><asp:Button ID="btn22" runat="server" OnClick="btn_Click" Width="40px" Height="40px"
       Font-Bold="True" Font-Size="Larger" CommandArgument="2,2" /></td>
                </tr>
            </table>
            <asp:Button ID="btnResult" runat="server" Text="看結果" Visible="false" 
    OnClick="btnResult_Click" />
   <br />
            <asp:Literal ID="litLog" runat="server"></asp:Literal>
  </asp:Panel>
  <asp:Panel ID="panelResult" runat="server" HorizontalAlign="center" Visible="false">
            <table>
                <tr>
                    <td class="textAlignRight">藍方勝: </td>
     <td><asp:Label ID="lblBlueWins" runat="server"></asp:Label></td>
     <td> 次 </td>
    </tr>
    <tr>
                    <td class="textAlignRight">紅方勝: </td>
     <td><asp:Label ID="lblRedWins" runat="server"></asp:Label></td>
     <td> 次 </td>
    </tr>
    <tr>
                    <td class="textAlignRight">平手: </td>
     <td><asp:Label ID="lblDue" runat="server"></asp:Label></td>
     <td> 次 </td>
    </tr>
   </table>
   <asp:Button ID="btnReplay" runat="server" Text="再玩一次" OnClick="btnReplay_Click" />
            <asp:Button ID="btnRestart" runat="server" Text="重新開始" OnClick="btnRestart_Click" />
  </asp:Panel>
    </asp:Panel>
    </form>
</body>
</html>

.aspx.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Drawing;
using System.Text;

namespace TicTacToe
{
    public partial class WebForm1 : System.Web.UI.Page
    {
        private const int MATRIX_DIM = 3; // 井字棋盤尺寸:3x3
        private int turn = 1;   // 輪到那一方？ 0=藍方; 1=紅方
        private int[,] matrix = null; // 井字棋盤
        private Button[] buttons = null; // 井字棋盤中的按鈕
        private string[] symbol = { "O", "X" }; // 雙方的符號 0=藍方(O); 1=紅方(X)
        private Color[] color = { Color.Blue, Color.Red }; // 雙方顏色 0=藍方; 1=紅方
        private int blueWins = 0;   // 藍方贏的累計次數
        private int redWins = 0;    // 紅方贏的累計次數
        private int runCount = 0;   // 目前遊戲進行到第幾個回合？
        private int stepCount = 0;  // 本回合遊戲進行到第幾個步驟？
        private StringBuilder log;  // 本回合遊戲歷程紀錄

        protected void Page_Load(object sender, EventArgs e)
        {
            buttons = new Button[]{btn00,btn01,btn02,
                                   btn10,btn11,btn12,
                                   btn20,btn21,btn22};
            if (!IsPostBack)
            {
                resetAll();
            }
            else
            {
                restoreFromSession();
            }
        }


        private void resetAll()
        {
            cleanup();
            runCount = 0;
            blueWins = 0;
            redWins = 0;
            txtBlue.Text = "";
            txtRed.Text = "";
            saveToSession();
        }


        private void saveToSession()
        {
            Session["matrix"] = matrix;
            Session["turn"] = turn;
            Session["stepCount"] = stepCount;
            Session["runCount"] = runCount;
            Session["blueWins"] = blueWins;
            Session["redWins"] = redWins;
            Session["log"] = log;
        }


        private void restoreFromSession()
        {
            matrix = (int[,])Session["matrix"];
            turn = (int)Session["turn"];
            stepCount = (int)Session["stepCount"];
            runCount = (int)Session["runCount"];
            blueWins = (int)Session["blueWins"];
            redWins = (int)Session["redWins"];
            log = (StringBuilder)Session["log"];
        }


        private void cleanup()
        {

            matrix = new int[MATRIX_DIM, MATRIX_DIM];
            for (int i = 0; i < MATRIX_DIM; i++)
            {
                for (int j = 0; j < MATRIX_DIM; j++)
                {
                    matrix[i, j] = -1;
                }
            }
            for (int i = 0; i < buttons.Length; i++)
            {
                buttons[i].Text = " ";
                buttons[i].BackColor = Color.White;
                buttons[i].Enabled = true;
            }
            btnResult.Visible = false;
            turn = 1;
            stepCount = 0;
            log = new StringBuilder();
            litLog.Text = "";
        }


        private void disableCells()
        {
            for (int i = 0; i < buttons.Length; i++)
                buttons[i].Enabled = false;
        }


        private void takeTurn()
        {
            stepCount++;
            turn = 1 - turn;
            if (turn == 0)
            {
                lblHint.Text = "輪到藍方（" + txtBlue.Text + "）";
                lblHint.ForeColor = Color.Blue;
            }
            else
            {
                lblHint.Text = "輪到紅方（" + txtRed.Text + "）";
                lblHint.ForeColor = Color.Red;
            }
        }


        protected void btnPlay_Click(object sender, EventArgs e)
        {
            if (sender == btnPlay)
            {
                if (txtBlue.Text.Trim().Length < 1)
                {
                    lblMessage.Text = "請輸入藍方姓名!";
                }
                else if (txtRed.Text.Trim().Length < 1)
                {
                    lblMessage.Text = "請輸入紅方姓名!";
                }
                else
                {
                    panelRegister.Visible = false;
                    panelPlay.Visible = true;
                    takeTurn();
                    runCount = 1;
                    lblPlayRun.Text = "第 " + runCount + " 回合";
                }
            }
            else if (sender == btnReset)
            {
                resetAll();
            }
            saveToSession();
        }

        private int analysis()
        {
            for (int i = 0; i < 3; i++)
            {
                if ((matrix[i, 0] >= 0) && (matrix[i, 0] == matrix[i, 1]) &&
                    (matrix[i, 1] == matrix[i, 2]))
                {
                    return matrix[i, 0];
                }
            }
            for (int i = 0; i < 3; i++)
            {
                if ((matrix[0, i] >= 0) && (matrix[0, i] == matrix[1, i]) &&
                    (matrix[1, i] == matrix[2, i]))
                {
                    return matrix[0, i];
                }
            }
            if ((matrix[0, 0] >= 0) && (matrix[0, 0] == matrix[1, 1]) &&
                (matrix[1, 1] == matrix[2, 2]))
            {
                return matrix[0, 0];
            }
            if ((matrix[0, 2] >= 0) && (matrix[0, 2] == matrix[1, 1]) &&
                (matrix[1, 1] == matrix[2, 0]))
            {
                return matrix[0, 2];
            }
            return -1;
        }


        private void judge()
        {
            int n = analysis();
            if (n >= 0)
            {
                if (n == 0)
                {
                    lblHint.Text = "藍方勝!";
                    lblHint.ForeColor = Color.Blue;
                    blueWins++;
                }
                else
                {
                    lblHint.Text = "紅方勝!";
                    lblHint.ForeColor = Color.Red;
                    redWins++;
                }
                btnResult.Visible = true;
                disableCells();
            }
            else if (stepCount == 9)
            {
                lblHint.Text = "雙方平手!";
                btnResult.Visible = true;
                disableCells();
            }
            else
            {
                takeTurn();
                btnResult.Visible = false;
            }
        }


        private void logStep(int row, int col, Button btn)
        {
            log.Append("<br />步驟 " + stepCount + ":" +
                row + "," + col + "," +
                (turn == 0 ? "藍" : "紅") + "," +
                symbol[turn]);
            litLog.Text = log.ToString();
            matrix[row, col] = turn;
            btn.Enabled = false;
            btn.Text = symbol[matrix[row, col]];
            btn.BackColor = color[matrix[row, col]];
            judge();
        }


        protected void btn_Click(object sender, EventArgs e)
        {
            Button btn = sender as Button;
            if (btn == null) return;
            char[] sep = { ',' };
            string[] tokens = btn.CommandArgument.Split(sep);
            int row = int.Parse(tokens[0]);
            int col = int.Parse(tokens[1]);
            logStep(row, col, btn);
            saveToSession();
        }


        protected void btnResult_Click(object sender, EventArgs e)
        {
            panelPlay.Visible = false;
            panelResult.Visible = true;
            lblBlueWins.Text = blueWins.ToString();
            lblRedWins.Text = redWins.ToString();
            int due = runCount - (blueWins + redWins);
            lblDue.Text = due.ToString();
        }


        protected void btnReplay_Click(object sender, EventArgs e)
        {
            panelResult.Visible = false;
            panelPlay.Visible = true;
            cleanup();
            takeTurn();
            runCount++;
            lblPlayRun.Text = "第 " + runCount + " 回合";
            saveToSession();
        }

        protected void btnRestart_Click(object sender, EventArgs e)
        {
            panelResult.Visible = false;
            panelRegister.Visible = true;
            resetAll();
            saveToSession();
        }
    }
}

UnitConvert-OKhtml

.aspx

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="WebForm1.aspx.cs" Inherits="UnitConvert.WebForm1" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title>單位轉換</title>
    <style type="text/css">
        div
        {
            text-align:center;
        }
    </style>
</head>
<body>
    <form id="form1" runat="server">
    <div>
    <img src="tiger.jpg" alt="" align="right"/>
    <h1>單位轉換</h1>
    <h5 style="color:Red">(小數點第2 位以下四捨五入)</h5>
    <hr />
        <asp:DropDownList ID="DropDownList1" runat="server" AutoPostBack="True">
            <asp:ListItem Value="0">攝氏溫度轉華氏溫度</asp:ListItem>
            <asp:ListItem Value="1">華氏溫度攝氏溫度</asp:ListItem>
        </asp:DropDownList>

        <br />
        <asp:Label ID="lb1" runat="server" Text="攝氏溫度"></asp:Label>
        <asp:TextBox ID="tb1" runat="server"></asp:TextBox>
        <asp:Label ID="lb2" runat="server" Text="→ 華氏溫度"></asp:Label>
        <asp:TextBox ID="tb2" runat="server" ReadOnly="True"></asp:TextBox>
        <br />
        <asp:RequiredFieldValidator ID="RequiredFieldValidator1" runat="server" 
            ControlToValidate="tb1" ErrorMessage="RequiredFieldValidator">請輸入</asp:RequiredFieldValidator>
        <br />
        <asp:RangeValidator ID="RangeValidator1" runat="server" ControlToValidate="tb1" 
            ErrorMessage="RangeValidator" Type="Double">請輸入數字</asp:RangeValidator>
        <br />
        <asp:Button ID="Button1" runat="server" Text="轉換" onclick="Button1_Click" />
        <br />
        <span style="color:Green">
        <asp:Literal  ID="Literal1" runat="server"></asp:Literal>
        </span>

    </div>
    </form>
</body>
</html>

.aspx.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;

namespace UnitConvert
{
    public partial class WebForm1 : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            string type = DropDownList1.SelectedValue;
            tb1.Text = "";
            tb2.Text = "";
            if (type == "0")
            {
                lb1.Text = "攝氏溫度";
                lb2.Text = "→ 華氏溫度";
                Literal1.Text = "華氏溫度 = 攝氏溫度 * 9 / 5 + 32";
            }
            else
            {
                lb1.Text = "華氏溫度";
                lb2.Text = "→ 攝氏溫度";
                Literal1.Text = "攝氏溫度 = (華氏溫度 - 32 ) * 5 / 9";
            }
        }

        protected void Button1_Click(object sender, EventArgs e)
        {
            double temp = double.Parse(tb1.Text);
            string type = DropDownList1.SelectedValue;
            if (type == "0")
            {
                tb2.Text = "" + Math.Round(temp * 9 / 5 + 32, 2);
            }
            else {
                tb2.Text = "" + Math.Round((temp - 32) * 5 / 9, 2);
            }
        }
    }
}

Blank's Program Language

2013年12月27日星期五

網際網路程式設計期末考-參考答案

沒有留言:

張貼留言

2013年12月27日 星期五

網際網路程式設計期末考-參考答案

沒有留言:

張貼留言

2013年12月27日星期五