<%@ 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">
<script type="text/javascript">
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>UpdatePanel in action</title>
</head>
<body>
<form id="form1" runat="server">
<asp:ScriptManager runat="server" ID="ScriptManager1" />
<div id="pageContent">
<asp:UpdatePanel runat="server" ID="UpdatePanel1" UpdateMode="Conditional">
<ContentTemplate>
<tr>
<td>
<h2>Pick up an important date</h2>
<asp:Calendar runat="server" ID="Calendar1" style="width:100%"
OnSelectionChanged="Calendar1_SelectionChanged" VisibleDate="5/1/2007" />
<asp:TextBox runat="server" ID="TextBox1" />
<br />
<asp:Button runat="server" ID="Button1" Text="Save" OnClick="Button1_Click" />
<asp:Label ID="Label1" runat="server" />
</td>
<td valign="top" style="border:solid 3px cyan;width:60%">
<h2>
So [
<asp:Label ID="Label3" runat="server" BackColor="cyan" />
] is important. Tell us why
</h2>
<asp:TextBox runat="server" ID="TextBox2"
TextMode="MultiLine" Columns="50" Rows="10" />
<br />
<asp:Button runat="server" ID="Button2" Text="Save" OnClick="Button2_Click" />
<asp:Label ID="Label2" runat="server" />
</td>
</tr>
</ContentTemplate>
</asp:UpdatePanel>
</div>
</form>
</body>
</html>
File: Default.aspx.cs
using System;
using System.Web.Services;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
public partial class Default : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
TextBox1.Text = Calendar1.VisibleDate.ToShortDateString();
}
protected void Button1_Click(object sender, EventArgs e)
{
Label1.Text = "Picked up at " + DateTime.Now.ToShortTimeString();
Label3.Text = TextBox1.Text;
}
protected void Calendar1_SelectionChanged(object sender, EventArgs e)
{
TextBox1.Text = Calendar1.SelectedDate.ToShortDateString();
}
protected void Button2_Click(object sender, EventArgs e)
{
Label2.Text = "Saved at " + DateTime.Now.ToShortTimeString();
}
}