private void btnAddModel_Click(object sender, EventArgs e) { try { Models model = new Models() { ModelName = txtModelName.Text, BrandID = cmbBrands.SelectedIndex + 1 }; ModelsController modelsController = new ModelsController(); modelsController.AddModels(model); txtModelName.Text = string.Empty; MessageBox.Show("Model Eklenmiştir !"); } catch (Exception ex) { MessageBox.Show(ex.Message); } }