<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="Default_aspx" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>CheckBox Control</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<h1>CheckBox Control</h1>
<asp:Label ID="lblTime" runat="server" OnInit="lblTime_Init" />
<br />
<br />
<asp:CheckBox ID="chkUnderLine" runat="server" AutoPostBack="True" Text="Underline?" TextAlign="Left" OnCheckedChanged="chkUnderLine_CheckedChanged" />
<asp:CheckBox ID="chkOverLine" runat="server" AutoPostBack="True" Text="Overline?" OnCheckedChanged="chkOverLine_CheckedChanged" />
<asp:CheckBox ID="chkStrikeout" runat="server" AutoPostBack="True" Text="Strikeout?" OnCheckedChanged="chkStrikeout_CheckedChanged" />
</div>
</form>
</body>
</html>
File: Default.aspx.cs
using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
public partial class Default_aspx : System.Web.UI.Page
{
protected void lblTime_Init(object sender, EventArgs e)
{
lblTime.Font.Name = "Verdana";
lblTime.Font.Size = 20;
lblTime.Font.Bold = true;
lblTime.Font.Italic = true;
lblTime.Text = DateTime.Now.ToString();
}
protected void chkUnderLine_CheckedChanged(object sender, EventArgs e)
{
if (chkUnderLine.Checked)
lblTime.Font.Underline = true;
else
lblTime.Font.Underline = false;
}
protected void chkOverLine_CheckedChanged(object sender, EventArgs e)
{
if (chkOverLine.Checked)
lblTime.Font.Overline = true;
else
lblTime.Font.Overline = false;
}
protected void chkStrikeout_CheckedChanged(object sender, EventArgs e)
{
if (chkStrikeout.Checked)
lblTime.Font.Strikeout = true;
else
lblTime.Font.Strikeout = false;
}
}