Page unload event in asp net

Question

Is it possible to call a write a Page Unload event in code behind similar to Page Load event  I wanted to call a method on Page Unload  How do I achieve that

User · Answer

There is an event Page Unload  At that moment page is already rendered in HTML and HTML can t be modified  Still  all page objects are available

User · Answer

Refer to the ASP NET page lifecycle to help find the right event to override  It really depends what you want to do  But yes  there is an unload event       protected override void OnUnload EventArgs e                base OnUnload e               your code         But just remember  from the above link   During the unload stage  the page and its controls have been rendered  so you cannot make further changes to the response stream  If you attempt to call a method such as the Response Write method  the page will throw an exception

User · Answer

With AutoEventWireup which is turned on by default on a page you can just add methods prepended with   Page    event  and have ASP NET connect to the events for you   In the case of Unload the method signature is   protected void Page Unload object sender  EventArgs e    For details see the MSDN article

[asp.net] Page unload event in asp.net

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