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Ajax¼æÈÝÐÔ»ù´¡ÎÊÌâ

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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ÔÚIE7ÖС£xmlHttp.Status==³öÏÖµÄÊÇundefined.xmlHttp.Status==OK.
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ajaxÏê½âµÄÒÉÎÊ

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ºÃÌù ºÇ

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ÎªÊ²Ã´Ò³ÃæÒ»¼ÓÉÏAjax¾Í³ö´í

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<script type="text/javascript">
// <![CDATA[
Sys.Application.initialize();
Sys.Application.add_init(function() {
    $create(Sys.UI._Upd ......

AjaxÓëSessionµÄÎÊÌâ - .NET¼¼Êõ / ASP.NET

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µã»÷Ò³ÃæÉÏÒ»¸öbutton£¬´¥·¢ÁíÒ»¸öAjaxÇëÇó(ajax2)¡£
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Ajax dwr¿ò¼Ü ·µ»Øº¯Êý

dwr¿ò¼Ü viewPaymentList()Ö´ÐÐÁË ËüµÄ·µ»Øº¯Êý£¬listCallBack(data)ÖÐalert('asdf')ûÓз´Ó¦£¬±í¸ñ²¿·ÖµÄ´úÂëûÓÐÔËÐУ¬Ò³ÃæÉÏûÓÐÔö¼ÓÁÐ±í£¬ÊÇʲôԭÒò¡£(±àÒëûÓгö´í)
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function ......

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C# code:

<script type="text/javascript">
window.onload=function()
{
startRequest('get','../College.ashx','lxyc=2&time='+new Date().getTime()+'',ShowIt,true);
}
var xml ......
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