How to Logout the session in c#.net

hi, If you are using FormsAuthentication then on Logout Button click write the following code

Session.Clear();
Session.Abondon();
FormsAuthentication.SignOut();
Response.Redirect("Home.aspx");

and if you are not using FormsAuthentication then simply

Session.Clear();
Session.Abondon();
Response.Redirect("Home.aspx");

will work.

Write the following logout code in logout button click event

FormsAuthentication.SignOut();
Session["Name"].Abandon();
Response.Redirect("Login.aspx");

and in

login.aspx

page load event write the following statement.

Response.Cache.SetNoStore();

it should be the first statement in the page load event.
if you are using the master pages then write the above statement in the master page load event.

Here is an article that shows you how to build a control that will do what you are asking (redirect the user to a login page when their session has timed out):

http://www.eggheadcafe.com/tutorials/asp-net/7262426f-3c65-4c90-b49c-106470f1d22a/build-an-aspnet-session-timeout-redirect-control.aspx[^]

There are other solutions, including simpler ones if that is what you are looking for, here:

http://forums.asp.net/p/1104278/1685530.aspx[^]

Simply use

 Session.Abondon(); 
//and redirect user to login page.
Response.Redirect("Login.aspx");