Close the web app. on different conditions by query string

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3.50/5 (2 votes)

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Hi. friends, I have a web page in my .net application, my problem is that, I have a querysting mn in the page url. My condition is that when mn=0 here is not any message when closing the browser but when mn>0 then here is a message to "Are u sure to close this page".

If any body have some idea about this, please help me.

Thanks & Regards

Parveen Rathi

Posted 3-Jun-12 21:01pm

Parveen Rathi

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[no name] 4-Jun-12 3:12am

should you use javascript in your page

2 solutions

Solution 1

C#

if(Convert.ToInt32(Request.QueryString["mn"])>0)
            {
                Button1.Attributes.Add("onclick", "confirm('Are you sure')");
            }

Posted 3-Jun-12 21:43pm

taha bahraminezhad Jooneghani

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Prosan · Accepted Answer · 2012-06-03T22:02:00

XML

<script  type ="text/javascript" language ="javascript"  >

function unload()
    {

       var Flg= document.getElementById('hdn');
        if (parseInt(Flg.value)>0)
        {
            event.returnValue = "Are u sure to close this page";
        }
    }
</script>

<body  onbeforeunload="unload()" onload ="AutoSave()"  >
    <form id="form1" runat="server"  >

<asp:HiddenField ID="hdn" runat="server" />


on page load add value of querry string to this hidden field

it will work