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<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs"
Inherits="Default" %>
<!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>Building Regions Dynamically</title>
</head>
<body>
<form id="form1" runat="server">
<div runat="server" id="pageContent">
<asp:ScriptManager ID="ScriptManager1" runat="server" />
</div>
</form>
</body>
</html>
File: Default.aspx.cs
using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Drawing;
using System.Web.UI;
using System.Web.UI.WebControls;
public partial class Default : System.Web.UI.Page
{
private Label Label1;
protected void Page_Load(object sender, EventArgs e)
{
UpdatePanel up1 = new UpdatePanel();
up1.ID = "UpdatePanel1";
Button button1 = new Button();
button1.ID = "Button1";
button1.Text = "What time is it?";
button1.Click += new EventHandler(Button1_Click);
LiteralControl lit = new LiteralControl("<br>");
Label1 = new Label();
Label1.ID = "Label1";
Label1.Text = "[time]";
up1.ContentTemplateContainer.Controls.Add(button1);
up1.ContentTemplateContainer.Controls.Add(lit);
up1.ContentTemplateContainer.Controls.Add(Label1);
this.Form.FindControl("pageContent").Controls.Add(up1);
}
protected void Button1_Click(object sender, EventArgs e)
{
Label1.Text = DateTime.Now.ToLongTimeString();
}
}
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