private void Delete(object sender, EventArgs e) { if (((MainForm)this.MdiParent).ActiveMdiChild == this) { try { string work_order_no = dataGridViewControl1.GetCheckIDs("APP_ID"); if (string.IsNullOrEmpty(work_order_no)) { return; } if (workOrderService.DeleteWorkOrder(work_order_no)) { MessageBox.Show("정상적으로 삭제되었습니다."); LoadData(); } } catch (Exception err) { MessageBox.Show(err.Message); } } }