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<%@ 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>RadioButtonList Control</title>
</head>
<body>
<form id="form1" runat="server">
<asp:Label ID="lblTime" runat="server" OnInit="lblTime_Init"></asp:Label>
<asp:radioButtonList
id="rblSize" runat="server"
autoPostBack="true"
cellSpacing="20"
repeatColumns="3"
repeatDirection="horizontal"
RepeatLayout="table"
textAlign="right"
OnSelectedIndexChanged="rblSize_SelectedIndexChanged">
<asp:ListItem text="10pt" value="10"/>
<asp:ListItem text="14pt" value="14"/>
<asp:ListItem text="16pt" value="16"/>
</asp:radioButtonList>
</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 rblSize_SelectedIndexChanged(object sender, EventArgs e)
{
if (rblSize.SelectedIndex != -1)
{
int size = Convert.ToInt32(rblSize.SelectedItem.Value);
lblTime.Font.Size = size;
}
}
}
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