落叶知秋

1. 首先在HTML的HEAD里加入:

  <meta content="JavaScript" name="vs_defaultClientScript">

<script language="javascript" src="../../Script/persistlocation.js"></script>

2.写好上面目录下的javascript文件:

如:

  

/**********************************************************
* In order to get the position of HTML element,we provide *
* this file.It is a javascript code.                      *
* Written by Yuzhibin                                     *
* Created on July 9 2004                                  *
*                                                         * 
*                                                         *
***********************************************************/
function getX(elementID)
{
        var el = elementID
        return el.offsetLeft
    
}
    
function getY(elementID)
{
        var el = elementID
        return el.offsetTop
    
}
 
function getElementPositionX(elemID)
{
   var offsetTrail = document.getElementById(elemID);
   var offsetLeft = 0;
   
   while(offsetTrail)
   {
      offsetLeft += offsetTrail.offsetLeft;
      offsetTrail = offsetTrail.offsetParent;
   }
   
    if (navigator.userAgent.indexOf("Mac") != -1 && 
        typeof(document.body.leftMargin) != "undefined") {
        offsetLeft += document.body.leftMargin;
    }
    
    return offsetLeft;
}
 
function getElementPositionY(elemID)
{
   var offsetTrail = document.getElementById(elemID);
   var offsetTop = 0;
   
   while(offsetTrail)
   {
      offsetTop += offsetTrail.offsetTop;
      offsetTrail = offsetTrail.offsetParent;
   }
   
    if (navigator.userAgent.indexOf("Mac") != -1 && 
        typeof(document.body.leftMargin) != "undefined") {
        offsetTop += document.body.topMargin;
    }
    return offsetTop;
}
function getElementPositionXY(elemID)
{
   var offsetTrail = document.getElementById(elemID);
   var offsetLeft = 24;
   var offsetTop =0;
   
   while(offsetTrail)
   {
      offsetLeft += offsetTrail.offsetLeft;
      offsetTop += offsetTrail.offsetTop;
      offsetTrail = offsetTrail.offsetParent;
   }
   
    if (navigator.userAgent.indexOf("Mac") != -1 && 
        typeof(document.body.leftMargin) != "undefined") {
        offsetLeft += document.body.leftMargin;
        offsetLeft += document.body.leftMargin;
    }
   document.getElementById("txt_left").innerText = offsetLeft;
   document.getElementById("txt_top").innerText = offsetTop;
}
3. 在.CS下直接用下面的方式调用:

rhombusCalendar.pTop = "javascript:getX(btn_customerRequestDateFrom)";

或:   btnCtrlAddress1.Attributes["onclick"] = "javascript:getElementPositionXY('"+lblCtrlAddress1.ClientID+"')";

作者：落叶知秋⊙吕游
地址：http://www.luckylvyou.com/read.php/201.htm
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