protected override void Delete() { if (ListViewBasic.SelectedItems.Count != 0) { // Get RefBrand from the ListView int RefBrand = int.Parse(ListViewBasic.SelectedItems[0].Text); if (ControllerManagement.DeleteBrand(RefBrand)) { ControllerManagement.RefreshListViewBrand(); MessageBox.Show("Succesfully deleted the brand !"); } else { MessageBox.Show("Error : Fail to delete the brand ! "); } } else { MessageBox.Show("Error : Choose a brand before trying to delete it !"); } }