public JsonResult UserLogin(LoginData d) { using (LoginDatabaseEntities dc = new LoginDatabaseEntities()) { var username = d.Login; var pass = SHA512.Encode(d.Password); var user = dc.users.FirstOrDefault(a => a.Login.Equals(username) && a.Password.Equals(pass)); return(new JsonResult { Data = user, JsonRequestBehavior = JsonRequestBehavior.AllowGet }); } }