private void btnOk_Click(object sender, EventArgs e) { try { if (CheckInput()) { CardBll bll = new CardBll(AppSettings.CurrentSetting.ParkConnect); CommandResult result = bll.NoCardLoss(this.txtCarPlate.Text.Trim(), this.txtOwnerName.Text.Trim(), this.txtMemo.Text.Trim(), this.txtCardCost.DecimalValue, this.comPaymentMode.SelectedPaymentMode); if (result.Result == ResultCode.Successful) { this.Close(); } else { MessageBox.Show(result.Message); } } } catch (Exception ex) { MessageBox.Show(ex.Message); } }