How to differentiate between browser close event and refresh event?

Short answer, you can't as neither one is a single defined 'event'.
For example the onUnload event will be raised when the browser closes BUT it is also called when you navigate away from the page, so not suitable.

Posted 7-Feb-10 23:36pm

Rod Kemp

anvas kuttan · Answer 2 · 2011-05-03T18:56:00

Solution 2

i am gone almost everything to search this but failed .. but i am trying if got anything surely i will post it for you

Posted 3-May-11 18:56pm

anvas kuttan

Comments

Santosh K. Tripathi 7-May-15 2:40am

Hi,
did you find anything? i need it.

nit_singh · Answer 3 · 2011-05-03T20:35:00

Here is a solution for that
if there is a postback due to an action on the control, document.getElementByID('__EVENTTARGET') will not be null. So using this hidden field you can know wich control fired the postback in the page.

Else if this a normal refresh then this value will be null always.

So you can check this value in the CodeBehind to know.

Hope this will help you

How to differentiate between browser close event and refresh event?

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How to differentiate between browser close event and refresh event?

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