http://weblogs.asp.net/scottgu/archive/2006/10/22/Tip_2F00_Trick_3A00_-Cool-UI-Templating-Technique-to-use-with-ASP.NET-AJAX-for-non_2D00_UpdatePanel-scenarios.aspx
using System;
using System.Web.Services;
[Microsoft.Web.Script.Services.ScriptService]
public class SimpleService : WebService {
[WebMethod]
public string GetMessage(string name) {
return "Hello <strong>" + name + "</strong>, the time here is: " + DateTime.Now.ToShortTimeString();
}
}
<html>
<head id="Head1" runat="server">
<title>Hello World Service</title>
<link href="StyleSheet.css" rel="stylesheet" type="text/css" />
<script language="javascript" type="text/javascript">
function callServer() {
SimpleService.GetMessage( $get("Name").value, displayMessageCallback );
}
function displayMessageCallback(result) {
$get("message").innerHTML = result;
}
</script>
</head>
<body>
<form id="form1" runat="server">
<asp:ScriptManager ID="ScriptManager1" runat="server" >
<Services>
<asp:ServiceReference Path="~/SimpleService.asmx" />
</Services>
</asp:ScriptManager>
<h1>Hello World Example</h1>
<div>
Enter Name: <input id="Name" type="text" />
<a href="BLOCKED SCRIPTcallServer()">Call Server</a>
<div id="message"></div>
</div>
</form>
</body>
</html>