public FrmGoodIncome()
        {
            InitializeComponent();
            Goods              = new List <ClsGood>();
            goodsPreSize       = 0;
            goodsCurSize       = 0;
            LblPurchaseID.Text = (PurchaseDao.QueryAll().Last().PurchaseID + 1).ToString();
            List <EtStaff> staffs = StaffDao.QueryByRole((int)ERole.采购员);

            foreach (EtStaff staff in staffs)
            {
                CmbOperator.Items.Add(staff.StaffName);
            }
        }