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namespace AJAX1
{
    public partial class _Default : System.Web.UI.Page
    {
        // ÐèÒª±êʶΪWebMethod 
        [System.Web.Services.WebMethod]
        // ×¢Ò⣬ҪÈÃǰ̨µ÷Óõķ½·¨£¬Ò»¶¨ÒªÊÇpublicºÍstaticµÄ 
        public static string Hello(string name)
        {
            return "Hello:" + name;
        }
    }
}
 
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<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="AJAX1._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>Untitled Page</title>
    <script type="text/javascript">
        function btnClick(){
            // µ÷ÓÃÒ³Ãæºǫ́·½·¨£¬Ç°Ãæ¸ú·½·¨ËùÐèµÄ²ÎÊý£¬½Ó×ÅÊÇ·½·¨»Øµ÷³É¹¦Ê±ÒªÖ´ÐеÄjsº¯Êý£¬×îºóÒ»¸öÊÇ·½·¨»Øµ÷ʧ°ÜʱҪִÐеÄjsº¯Êý
            PageMethods.Hello("you",funReady,funError);
        }        
        // result ¾ÍÊǺǫ́·½·¨·µ»ØµÄÊý¾Ý
        function funReady(result){
            alert(result);
        }
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