/// <summary> /// 6. Delete clients in the data base /// </summary> public void DeleteClient(string idclient) { try { // we validate and convert data in the the Controller layer // we do not validate and convert data in the View layer // with idclient we update one row in the table // 1. Convert data int IDclient = Convert.ToInt32(idclient); // 2. Delete in the model layer Model.Delete(IDclient); } catch (Exception ex) { MessageBox.Show("Error in the delete: " + " " + ex.Message); } }