public JsonResult GetUsers(string curent_user_id) { if(curent_user_id == null) return Json(new user(), JsonRequestBehavior.AllowGet); GameModel data = new GameModel(); List<user> users; try { users = data.GetAllUsers(int.Parse(curent_user_id)); } catch { return Json(new user(), JsonRequestBehavior.AllowGet); } return Json(users, JsonRequestBehavior.AllowGet); }