Introduction

This blog describes how to Confirm navigation settings on each page in the Asp.net website.
Code :
//Put this script inside the Master page..
  1. function closeIt() {
  2. return "Any string value here forces a dialog box to \n" +
  3. "appear before closing the window.";
  4. }
  5. window.onbeforeunload = closeIt;
  7. <body onbeforeunload="closeIt()">
Output :
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