how to session expire by web.config file in c# .net?

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i create a session for login in c# .net
when i log in i go to on welcome page.
when i logout i redirect on login page but there is session is not expire.
when i click on back button welcome page is direct open...
so please help me how can i expire session...?

Posted 11-Mar-10 1:36am

User 6987014

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2 solutions

Solution 2

Add this code on clik event of "Logout" button if that is server side control other wise u can use handler to execute this code
u can also try this code on load event of login.aspx page

System.Web.Security.FormsAuthentication.SignOut();
Session.Clear();
Session.Abandon();

Posted 11-Mar-10 3:38am

usmanmughal

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Ilya Builuk · Accepted Answer · 2010-03-11T02:11:00

Solution 1

May be these pages are cached by browser?
Use Session.Abandon() to logout and

<%@ OutputCache Location="None" %>

Posted 11-Mar-10 2:11am

Ilya Builuk