private int Id;//存餐桌的id
public void SetTxt(object sender, EventArgs e)
{
FrmEventArgs fea = e as FrmEventArgs;
this.Id = fea.DkIdZ; //获取餐桌的id
labDeskName.Text = fea.Name; //餐桌的编号
labOrderId.Text = fea.Temp.ToString(); //订单的id
//根据订单的id查询这个订单消费了多少钱
OrderInfoBLL bll = new OrderInfoBLL();
labMoney.Text = bll.GetOrderMoney(fea.Temp).ToString();
lblMoney.Text = labMoney.Text;//结账金额和消费金额一样------坑
}