如何解决ie-Browser中的Tree ViewColaps问题 [英] How can solve Tree ViewColaps Issue in ie-Browser

问题描述

在我的Asp.net应用程序中使用树视图控件在该页面上，当我展开折叠树视图时，它询问确认消息，即你想离开这个页面它只是一个bug。如何解决这个问题。这个问题只见IE浏览器，请帮帮我

In my Asp.net application using tree view Control On that page when I expand the collapse tree view it asking confirmation message, ie- "Are you want to leave this Page" its a bug only .How i can solve this issue.This issue is seen only IE Browser,Please help me

//  Script:
<script type="text/javascript" language="javascript">
window.onbeforeunload = function () {
   if (document.getElementById("<%=hdnSavingMode.ClientID %>").value.toUpperCase() == 'TRUE') {
      return "Do you want to leave this page without saving?";
   }
};

代码块和制表

Code block and tabulation

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