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1 Add  the following code to .aspx
<script>  
  function fresh() {
         {
            window.opener.document.getElementById("ControlId").click();  //ControlId -- meaning parent control
        }
<script>
2.Add the following code to .cs,if you want to refresh master page control.
ScriptManager.RegisterStartupScript(Page, Page.GetType(), Guid.NewGuid().ToString(), "fresh(');", true);


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1     javascript ÕýÔò¶ÔÏó´´½¨ ºÍÓ÷¨
    ÉùÃ÷javascript ÕýÔò±í´ïʽ
   
     var reCat = new RegExp("cat");
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     var reCat = /cat ......

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function ale()
{//Õâ¸ö»ù±¾Ã»Ó ......

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var obj = new Object();
var objRef = obj; //objÓëobjRefÖ¸Ïòͬһ¸ö¶ÔÏó,objRefÊÇÒ»¸öÒýÓÃ

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var items = new Array("one","two","three");
var itemsRef = items; //´´½¨Ò»¸öÒýÓÃ
items.push("four");
alert(items.length == items ......
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