how to kill active sessions of user if browser closed forcefully. either from close button, by alt+f4, by task manager, by task bar or even browser is crashed

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I need to kill user session variable if any action is occured.
Either closed by close button,
Closed by alt+f4, closed by task manager or task bar.

Posted 16-Apr-15 15:55pm

Mayank_1986

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ZurdoDev · Answer 1 · 2015-04-16T16:47:00

Solution 1

There is no way to guarantee what you want so you may want to rethink what you are trying to do.

However, you can use the onunload event, http://www.w3schools.com/jsref/event_onunload.asp[^], to then call a webservice that will do what you want.

jQuery's .ajax() makes it easy to call a webservice. http://api.jquery.com/jQuery.ajax/[^]

Posted 16-Apr-15 16:47pm

ZurdoDev

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Mayank_1986 17-Apr-15 0:36am

Thanks Ryan,
Actually i have an application for client support. My problem is that once a user logged-in into application, session has been maintained to server for 1 hrs(set as default timeout). Now as soon as user closed the browser(tab as well) and try to login, the session has already found for that user but have different session id.
The application will only permit to login to that user if its session is not available on server, but somehow it was found on server and expires only after 1hrs as we have set.
So i need to kill session variable if user forcefully closed browser by using any method (eg. by close button, by Alt+f4 key, by task manager or by task bar).
As you have mentioned to use onunload, it will works only if user closed browser by close button.

ZurdoDev 17-Apr-15 8:19am

It works if the user closes the window. Nothing will catch closing it in Task Manager.

The other option you have is to use setTimeout in JS and every minute call a webservice. Then you can have a windows service running that clears out sessions that have not "pinged" within the last few minutes.

Sounds like your best option is to train users to click Logout.