public void ViewDetailsExecute(Car car)
        {
            var selectedCar = car;
            //if (SelectedCar == null)
            //{
            //    return;
            //}

            int carId = selectedCar.CarId;
            NavigateToCarDetails(carId);
        }
        /// <summary>
        /// Navigates to Edit view
        /// </summary>
        /// <param name="car"></param>
        public void EditCarExecute(Car car)
        {
            if (car == null)
            {
                return;
            }

            int carId = car.CarId;
            NavigateToCarEdit(carId);
        }