class JsonResultE { public string Result { get; set; } }

        [HttpPost]
        public ActionResult Auth(Models.AuthForm data)
        {
            if (ModelState.IsValid)
            {
                userdata userdata = null;

                try
                {
                    userdata = db.userdatas.Single(u => u.login == data.Login);
                }
                catch { }

                if (userdata == null)
                {
                    return Json(new JsonResultE { Result = "failed" }, JsonRequestBehavior.AllowGet);
                }
                else
                {
                    var cookie = new HttpCookie("session-id") { Value = Guid.NewGuid().ToString(), Expires = DateTime.Now.AddMinutes(10) };
                    Response.SetCookie(cookie);
                    return RedirectToAction("", "Default1");
                }
            }

            return View();
        }