how to disable timer when browser window is close in asp.nety with C#

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i am developing an on line exam module in ASP.net with C#. I used timer control for stop watch. I want to stop timer when browser windows is close. Please help me.

Thanks for Advance.

Posted 22-Jan-13 19:15pm

rahemani_1200

Updated 22-Jan-13 19:18pm

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Rajiv.net40 22-Aug-16 5:55am

how to run timer 24/7 when browser window is closed or opend in asp.nety with C#

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Sergey Alexandrovich Kryukov · Answer 1 · 2013-01-22T19:16:00

Solution 1

When it is closed, the timer does not exist anymore. Nothing to worry about.

You should understand what happens when you close the window. From the standpoint of the server part — nothing, unless you intentionally send some HTTP request (think Ajax).

You can do it if you capture "before unload" event. Please see: http://msdn.microsoft.com/en-us/library/ie/ms536907%28v=vs.85%29.aspx[^].

It's good to do via jQuery: http://msdn.microsoft.com/en-us/library/ie/ms536907%28v=vs.85%29.aspx[^].

—SA

Posted 22-Jan-13 19:16pm

Sergey Alexandrovich Kryukov

Updated 22-Jan-13 19:21pm

v2

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rahemani_1200 23-Jan-13 1:22am

but after close browser window again i run my module timer start timing its previous values. Hence i am worried about it.

Sergey Alexandrovich Kryukov 23-Jan-13 1:29am

Your timer is lost. You worry for a good reason, all right. You should understand that the whole lifetime of your server-side code lies between a single HTTP request and ends with HTTP response it generate. You can use session variables to persist in between. HTTP is stateless, which is its main limitation, a tough one.
—SA