using (TransactionScope tr = new TransactionScope())

                    {

                        int i = this.deskmanager.addOpenDesk(account_c);

                        int j = this.deskmanager.updateDeskStatus(account_c.AccountC_desk, "有客");

                        if (i > 0 && j > 0)

                        {

                            tr.Complete();

                           

                           

                         

                        }

                        else

                        {

                            MessageBox.Show("开桌未成功，与管理员联系!");

                            this.btnkz.Enabled = false;

                            this.btndc.Enabled = false;

                            this.btnchange.Enabled = false;

                            this.button3.Enabled = false;

                      }

                        tr.Dispose();

                    }