private void btnGetCar_Click(object sender, EventArgs e) { int id = int.Parse(tbxId.Text); Car car = _client.GetCar(id); tbxId.Text = car.Id.ToString(); tbxVendor.Text = car.Vendor; tbxModel.Text = car.Model; tbxYear.Text = car.Year.ToString(); if (car is TruckCar) { cbxType.SelectedIndex = 1; tbxType.Text = ((TruckCar)car).Capacity.ToString(CultureInfo.GetCultureInfo("en-US")); } else if (car is PassengerCar) { cbxType.SelectedIndex = 2; tbxType.Text = ((PassengerCar)car).Passengers.ToString(CultureInfo.GetCultureInfo("en-US")); } else { cbxType.SelectedIndex = 0; tbxType.Text = ""; } }