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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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scrollLeft:ÉèÖûò»ñȡλÓÚ¶ÔÏó×ó±ß½çºÍ´°¿ÚÖÐĿǰ¿É¼ûÄÚÈݵÄ×î×ó¶ËÖ®¼äµÄ¾àÀë
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scrollWidth:»ñÈ¡¶ÔÏóµÄ¹ö¶¯¿í¶È
offsetHeight:»ñÈ¡¶ÔÏóÏà¶ÔÓÚ°æÃæ»òÓɸ¸×ø±ê offsetParent ÊôÐÔÖ¸¶¨µÄ¸¸×ø±êµÄ¸ß¶È
offsetL ......

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1     javascript ÕýÔò¶ÔÏó´´½¨ ºÍÓ÷¨
    ÉùÃ÷javascript ÕýÔò±í´ïʽ
   
     var reCat = new RegExp("cat");
      ÄãÒ²¿ÉÒÔ
     var reCat = /cat ......

javascriptÓëasp.netʵÏÖÎļþÉÏ´«

·½·¨Ò»£ºÊ¹ÓÃFileUpLoad ¿Ø¼þ¶à¸öÖ±½ÓÉÏ´«¡£ÕâÑù×öµÄÎÊÌâ¾ÍÊÇÒªÇóÒ³ÃæÌá½»£¬´Ó¶øµ¼ÖÂһЩ²»Ó¦¸ÃˢеÄÄÚÈÝÔڴ˲Ù×÷¹ý³ÌÖÐÏûʧµô¡£µ«ÊÇÓÃScriptManger À´Åª È´ÓÖ²»ÄÜÉÏ´«ÁË Ô­ÒòºÜ¼òµ¥ FileUpLoad ¿Ø¼þÒªÇópost¡£ÓÉÓÚÕâ¸öÎÊÌâ ËùÒÔ¶àÊýÈ˶¼ºÜÉÙ²ÉÓÃÕâÖÖ·½·¨£¬²»µÃ²»ÁíѰËü·¨¡£ÏÂÃæµÄ·½·¨¶þ½â¾ö´ËÎÊÌâ¡£
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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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<script>
function test()
{
if(document.a.b.value.length>50)
{
alert("²»Äܳ¬¹ý50¸ö×Ö·û£¡");
document.a.b.focus();
return false;
}
}
</script>
<form name=a onsubmit="return test()">
<textarea name="b" cols="40" wrap="VIRTUAL" rows="6"></textarea&g ......
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