public ActionResult Login(UserTable model, string returnUrl)
        {
            AirportDatabaseEntities db = new AirportDatabaseEntities();

            model.Password = Encode(model.Password);
            var dataItem = db.UserTable.Where(x => x.Username == model.Username && x.Password == model.Password).FirstOrDefault();

            if (dataItem != null)
            {
                FormsAuthentication.SetAuthCookie(dataItem.Username, false);
                if (Url.IsLocalUrl(returnUrl) && returnUrl.Length > 1 && returnUrl.StartsWith("/") &&
                    !returnUrl.StartsWith("//") && !returnUrl.StartsWith("/\\"))
                {
                    return(Redirect(returnUrl));
                }
                else
                {
                    return(RedirectToAction("Index", "Home"));
                }
            }
            else
            {
                ModelState.AddModelError("", "Invalid user/pass");
                return(View());
            }
        }
        public override string[] GetRolesForUser(string username)
        {
            AirportDatabaseEntities db = new AirportDatabaseEntities();
            string data = db.UserTable.Where(x => x.Username == username).FirstOrDefault().Role;

            string[] result = { data };
            return(result);
        }