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JScript code:

var xmlHttp;
function creatReq() // ´´½¨xmlhttprequest,ajax¿ªÊ¼
{
if(window.XMLHttpRequest)
{
xmlHttp=new XMLHttpRequest();
}
else if(window.ActiveXObject)
{
xmlHttp=new ActiveXObject("Microsoft.XMLHttp");
}
}

function Work()
{
creatReq();
xmlHttp.open("GET",url,true);
xmlHttp.onreadystatechange = callback;
xmlHttp.send();
}

function callback()
{
if(xmlHttp.readyState==4)
{
if(xmlHttp.Status==200)
{
Dispaly();
alert("·þÎñ¶Ë·µ»Ø×´Ì¬" + xmlHttp.Status);
}
else
{
alert("·þÎñ¶Ë·µ»Ø×´Ì¬" + xmlHttp.Status);
}
}
else //ÇëÇó״̬»¹Ã»Óгɹ¦£¬Ò³ÃæµÈ´ý
{
document .getElementById ("main").innerHTML = "wait";
}
}

function Dispaly() //½ÓÊÜ·þÎñ¶Ë·µ»ØµÄÊý¾Ý£¬¶ÔÆä½øÐÐÏÔʾ
{
document .getElementById ("main").innerHTML =xmlHttp.responseText;
}




ÕâÑù´¥·¢ÔËÐУº <body onload="Work();">


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AjaxÎÞˢпؼþ

<body>
    <form id="form1" runat="server">
    <div>
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function deleteCallBack(data)
{
if(data=="ɾ³ý³É¹¦")
{
alert(data);
location.reload();
}
else
{
alert(data);
}
}
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