private void btnKaydet_Click(object sender, EventArgs e) { if (!string.IsNullOrEmpty(tbSatisFiyati.Text)) { var controlcar = carServices.Control((cmbModelAdı.SelectedValue as Model).Name, tbMarkaAdi.Text, (cmbKasaTipi.SelectedValue as VehicleBody), (cmbRenk.SelectedValue as Core.Entities.Color), (cmbYil.SelectedValue as Year).Years); if (controlcar > 0) { MessageBox.Show(Error.UserError.ErrorMessage(Convert.ToInt32(Error.UserError.ErrorCode.KayitOncedenEklenmis))); } else { var insert = carServices.Insert(new Car() { Model_ID = (cmbModelAdı.SelectedValue as Model).ID, BodyType = (cmbKasaTipi.SelectedValue as VehicleBody), ColorID = (cmbRenk.SelectedValue as Core.Entities.Color), Years = (cmbYil.SelectedValue as Year).Years, SalePrice = Convert.ToDecimal(tbSatisFiyati.Text), IsRental = checkKiralık.Checked }); if (insert > 0) { MessageBox.Show(Error.UserError.ErrorMessage(Convert.ToInt32(Error.UserError.ErrorCode.KayitEklendi))); dgvAracData.DataSource = carServices.Select(); } else { MessageBox.Show(Error.UserError.ErrorMessage(Convert.ToInt32(Error.UserError.ErrorCode.KayitEklenmedi))); dgvAracData.DataSource = carServices.Select(); } } } else { } }