<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="UpdatePanelDemo.aspx.cs" Inherits="EventRegistrationWeb.UpdatePanelDemo" %>
<!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></title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:ScriptManager ID="ScriptManager1" runat="server">
</asp:ScriptManager>
</div>
<div>
<asp:UpdatePanel ID="UpdatePanel1" runat="server">
<ContentTemplate>
<asp:Label ID="Label1" runat="server" Text="Label"></asp:Label>
<asp:Button ID="Button1" runat="server" Text="AJAX Postback"
onclick="OnButtonClick" />
</ContentTemplate>
</asp:UpdatePanel>
<asp:Label ID="Label2" runat="server" Text="Label"></asp:Label>
<asp:Button ID="Button2"
runat="server" Text="ASP.NET Postback" onclick="OnButtonClick" />
</div>
</form>
</body>
</html>Visual Studio 2010没有AJAX Web Form 模板
原文：http://blog.csdn.net/crazygolf/article/details/44705971