private void btn_OK_Click(object sender, EventArgs e) { succeed = false; while (!succeed) { if (isAdd) { succeed = orderService.AddOrder(txt_Name.Text, txt_Address.Text); } else { succeed = orderService.UpdateOrder(txt_Name.Text, txt_Address.Text); } if (!succeed) { lbl_Status.Text = "异常输入"; } } this.Close(); return; }