Question

In my asp.net application I have a few session variables. Seems like only a few minutes on the localhost and also web host, they lose value. This happens periodically not all of the time. I do have cheap go daddy, web hosting, and that could be the problem on the web server. Thank you for any help, this is a big problem.

   <authentication mode="Forms">
      <forms loginUrl="~/Account/Login.aspx" timeout="3600" defaultUrl="~/" name="" />
    </authentication>
    <sessionState mode="InProc" cookieless="false" timeout="80" />

 public static User User
    {
        get
        {
            User userLogin = null;
            object sessionVar = Session[USERLOGIN];
            if (sessionVar != null)
            {
                userLogin = (User) sessionVar;
            }
            return userLogin;
        }
        set { Session[USERLOGIN] = value; }
    }

Answer 1

There’s a strong chance that your session is being wiped out on the server from the application pool being stopped and started, timeouts, or a host of other things. The main point is that session variables solely by themselves are unreliable persistent mechanisms.

If you need information to persist for a logged in user, try storing a cookie on the user’s machine and if the session is null, repopulate it from identifying data in the cookie.