public static void AuthenticateUser(ForumRespository db, int UserID)
{
string SessionID = Guid.NewGuid().ToString();
HttpCookie SessionCookie = new HttpCookie("MvcForum", SessionID);
SessionCookie.HttpOnly = true;
SessionCookie.Expires = DateTime.Now.AddYears(50);
HttpContext.Current.Response.Cookies.Add(SessionCookie);
var SessionStore = new Forum_Session() { UserID = UserID, SessionGUID = SessionID };
db.AddSessionToDB(SessionStore);
db.Save();
}