public ActionResult OnAddCar(int trackId, bool hasTowStrap, int tireWear) { if (hasTowStrap && tireWear < 85) { trackService.AddCar(new Car { HasTowStrap = hasTowStrap, TireWearPercentage = tireWear, TrackId = trackId }); return(Json(new { ReturnStatus = "success" }, JsonRequestBehavior.AllowGet)); } return(Json(new { ReturnStatus = "error", ReturnData = "Car did not pass the inspection!" }, JsonRequestBehavior.AllowGet)); }