I have Web Application in asp.net. Where I am maintaining Session for every User. And every Time I got logout in Approx 2 min. I tried to increase this time through web Config File upto 60 min but it is not working For me and I m getting same problem.

I have created A class file For maintaining session.I am Using This Code.

public static void createSession(System.Web.SessionState.HttpSessionState session)
    {
        Session = session;

    }

This is my class file code.

And I am calling this function in login Page load like this.

BusinessClasses.SessionHandler.createSession(Page.Session);

Then After I am Checking In everyPage.

But this code is not working for me. Please Give Suggest me correct solution for this problem.