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Sending a 'Session Timed Out' message to a user

Posted on 2010-08-27
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Last Modified: 2012-06-27
Hello,

I want to let my users know if their session has timed out. Can anyone tell me how to detect a timeout and how to redirect to a 'session_has_time_out.aspx' page that I've created.

Thanks.
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Question by:tatton777
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by:Anil Golamari
ID: 33543920
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Expert Comment

by:käµfm³d 👽
ID: 33543946
Here's the way I'm detecting timeout (pulled from an article @ 4guysfromrolla.com):

The AddHeader() call is adding a meta-refresh to the page sent back to the client, instructing the client browser to automatically refresh the page 3 seconde (in this example) after the session's timeout value. Note that I'm multiplying by 60 since the Timeout is in minutes and the meta values needs to be in seconds.
// Send header to refresh page 3 seconds after session times out
//   This should redirect the user to the timeout page
page.Response.AddHeader("Refresh", (page.Session.Timeout * 60 + 3).ToString());

if (page.Session["sessionobj"] == null)
{
    page.Server.Transfer(PageNames.PAGE_SESSION_EXP);
}

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SriVaddadi earned 2000 total points
ID: 33545233
Here is a session time custom control

http://www.eggheadcafe.com/articles/20051228.asp
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by:tatton777
ID: 33719950
Please leave the thread open a little longer as I now have enough time on my hands to try some of the suggestions that were given in this thread. With a little more time I can try the suggestions and then hopefully give someone some points.
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