Why can't I check when a session is timing out without refreshing the session?!?!!

I need to have a way of querying the server and getting the user's time left before the session expires.  That's it.  I put this code into the OnTick event of my Ajax Timer control and do stuff based on the value of the time left.  But it seems to be impossible to do without actually refreshing the session on the server.  I've been working on this for 3 DAYS now, and I have to admit, I'm ready to jump out the window.  Everything I try fails at some point...  It shouldn't be this hard!!!

So I first tried the method outlined in many articles that recommends using Session.Timeout.  Every time it comes back it's the same exact number of minutes.  So it seems that it's just refreshing the session on the server, which is definitely NOT what I want to do.

So then I tried using the FormsAuthenticationTicket Expiration value, but it turns out that if you have sliding expiration enabled in web.config, that cookie gets refreshed whenever the timeout value is half.  So, for example, if the session timeout is set to 5 minutes, when you have 2 minutes 30 seconds left, it will renew the Expiration date int he cookie.  So I can't use that.

So then I tried a method that would require getting the Session.Timeout when the page loads and setting a local, client-side timer that would count down.  Unfortunately, against my better judgement, this application uses popups, so I can't use a client-side timer since it will never be in sync with the actual session timeout.

So I'm out of ideas.  I've Googled this in every way I can imagine and I can't find a solution that will work for me.  I can't believe it's this hard to do this seemingly simple thing, but I don't know what else to try at this point.

PLEASE, if you have ANY way of getting this to work, PLEASE help me.  I'm desperate.

Thanks - eddie

7/23/2008 7:23:05 PM
asp.net.security 27051 articles. 1 followers. Follow

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