private void gvOrder_DoubleClick(object sender, EventArgs e) { if (gvOrder.FocusedRowHandle < 0) { return; } String OrderSysID = (string)gvOrder.GetFocusedRowCellValue("OrderSysID"); String ExchangeID = (string)gvOrder.GetFocusedRowCellValue("ExchangeID"); String msg = "是否确定撤销报单" + OrderSysID + "?"; DialogResult result = MessageBox.Show(msg, "提示信息", MessageBoxButtons.YesNo, MessageBoxIcon.Question); if (result.Equals(DialogResult.No)) { return; } // 执行撤单 myuser.ReqOrderAction(OrderSysID, ExchangeID); }