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Asked: 2026-06-08T19:25:11+00:00

In ASP.NET MVC3, I can’t seem to override a session timeout. I have set

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In ASP.NET MVC3, I can’t seem to override a session timeout. I have set breakpoints at all the relevant server-side code points I can think of (controller actions and methods in globax.ax.cs) but nothing seems to get hit on session timeout.

I even applied an attribute as suggested here: (http://www.tyronedavisjr.com/2008/11/23/detecting-session-timeouts-using-a-aspnet-mvc-action-filter/) but even it was not hit when the session timed out. Surely the timeout must be session-side, but where?

Does anyone know what exactly happens when an ASP.NET MVC application has a session timeout?

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1 Answer

  1. Editorial Team

    What sessionState mode are you using? (<sessionState mode=" ... "> in web.config)

    You should be able to add the following method to your Global.asax.cs to override the default Session_End behaviour:

    protected void Session_OnEnd(object sender, EventArgs e)
{
    // insert code here
}

    Things to bear in mind:

    • The Session_OnEnd / Session_End event will only be called if the HttpSessionState.Mode property value is InProc (this is the default, so if you’ve not changed it in the web.config this should be fine). If you’ve changed it to StateServer or SQLServer, then the Session_OnEnd event in the Global.asax file is ignored.

    • The Session_OnEnd / Session_End event is called by the application when it abandons the session – not when you close the browser. You can manually trigger it by calling Session.Abandon

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