Confirm Message before leaving ASP.NET Web Application

If you want to put up a confirm message to the user, so that he will be notified for any unsaved data. Check the following code snippet, which will alert the user, before close the browser/tab/moving to next page.

 <script language="JavaScript1.2" type="text/javascript">
        window.onbeforeunload = Unload_Call;

        function Unload_Call() {
            var Message = "Are you sure to leave this page?";
           return Message;
        }
    </script>

Copy the above code the page, where user needs to save information etc., The above code works in all latest browsers!

Happy Web Programming!

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