.NET Session - Persist session, even when the user closes the browser

Question

We use .net framework 3.5 and C#.

We have a site that requires the user to log in. So we use a database to check if the login / password is correct.

Then we

Answer 1

You shouldn't mix terms, remember that you have both authentication cookie and session state in asp.net.

You appear to be looking for a persistent auth cookie. to have a persistent auth cookie try

FormsAuthentication.SetAuthCookie("xxx",true); 

http://msdn.microsoft.com/en-us/library/twk5762b(v=vs.90).aspx

passing true will allow the authentication cookie to survive browser restarts. also you should consider your timeout values for forms authentication and session in your web.config