Hi
I want that if user is logged in on one machine and trying to log in another machine also then he should not be allowed to log in again.
For that--
i am creating Dictionary object on application start event and saving username and cookie value in that after user log in.
and whenever user login , i m checking for existing enteries in dictionary, if dictionary contis entry for user then he is not allowed to login again else allowed to login ad added to dictionary.
The problem i am facing is when user log out then the entry of current user should be deleted from dictionary.
If i am writing code to delete entry in logoff.asp(on click of button) then its working fine.
But if user close the browser or session timeout happens then how can we delete entry.
Can anyone help me in this regard?
Thanks in advance.
Anu
4  1881 
Hi Anu,
In your Global.asa file you can create a sub called Session_OnEnd which will fire after the user ends their session or it times out. Use this to run code at the end of a users session.
Hope this helps,
Dr B
Hi,
Session_OnEnd is not getting called at all.
I have tried this option.
Even then if user closes the browser then what to do?
Thanks,
Anu
Hi Anu,
In your Global.asa file you can create a sub called Session_OnEnd which will fire after the user ends their session or it times out. Use this to run code at the end of a users session.
Hope this helps,
Dr B
jeffstl 432
Recognized Expert Contributor
Hi,
Session_OnEnd is not getting called at all.
I have tried this option.
Even then if user closes the browser then what to do?
Thanks,
Anu
I would keep trying things in the Session_OnEnd, because that is exactly what its built for. Also when you say its not working, can you determine why ? For example debugging your Session_OnEnd event to find out where its failing to do its job?
The events of the global.asa file have always been somewhat questionable to me as well. You may not get it to work, below is a link discussing this kind of problem. Problems with Session_OnEnd
If you are desperate you can either
A) Use cookies only, and have them expire off the users machine
B) Use a web service (ActiveX exe) that is constantly running to check for old logins to remove.
Hi,
Thanks for reply.
I think u did not read my question properly.
Clearing session is not a problem.
I am using Dictionary Object and saving username and cookie in that dictionary as key-value pair.
whenever user log off, then his/her entry should be deleted from dictionary.
Its working fine if user follows proper logoff procedure
But the problem is if user directly close the browser or browser crashes for some reason then the entry will not be deleted from dictionary and user will not be allowed to login again .
Is there any solution for this problem?
Regards,
Anu
I would keep trying things in the Session_OnEnd, because that is exactly what its built for. Also when you say its not working, can you determine why ? For example debugging your Session_OnEnd event to find out where its failing to do its job?
The events of the global.asa file have always been somewhat questionable to me as well. You may not get it to work, below is a link discussing this kind of problem.
Problems with Session_OnEnd
If you are desperate you can either
A) Use cookies only, and have them expire off the users machine
B) Use a web service (ActiveX exe) that is constantly running to check for old logins to remove.
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