private static void CarAddTest() { CarManager carManager = new CarManager(new EfCarDal()); Console.WriteLine("-------------Add Car - Update Car - Delete Car -------------"); var car1 = new Car { Id = 9, BrandId = 4, ColorId = 3, ModelYear = 2009, DailyPrice = 190, Description = "Automatic Gasoline" }; var result = carManager.AddToSystem(car1); if (result.Success == true) { Console.WriteLine(result.Message); } else { Console.WriteLine(result.Message); } }