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Ajax(ÅжÏä¯ÀÀÆ÷´´½¨XMLHttpRequest¶ÔÏó)

<script type="text/javascript">
function ajaxFunction()
{
var xmlHttp
;

try
    {
   // Firefox, Opera 8.0+, Safari
    xmlHttp=new XMLHttpRequest();
    }
catch (e)
    {
  // Internet Explorer
   try
      {
      xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
      }
   catch (e)
      {
      try
         {
         xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
         }
      catch (e)
         {
         alert("ÄúµÄä¯ÀÀÆ÷²»Ö§³ÖAJAX£¡");
         return false;
         }
      }
    }
}
</script>
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MVC Json Ajax ¶þ¼¶ ¼¶Á¬

<script type="text/javascript">
$(document).ready(function() {
$("#teamName").change(function() {
$.getJSON('/team/SelectProduct', { teamName: $("#teamName").val() }, function(data) {
$("#productID").empty();


......

ASP.NET AJAX 4.0 ÖеÄÊý¾Ý°ó¶¨

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[http://www.okajax.com/a/200905/10ajax_framework_2.html]
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