//duyệt đơn dặt hàng

        void loadDSDonDaT()
        {
            DonDatHangBUS ddhBUS = new DonDatHangBUS();

            dtgvDanhSachYeuCauDatHang.AutoGenerateColumns = false;
            dtgvDanhSachYeuCauDatHang.DataSource          = ddhBUS.LoadDsDDH();
        }
        void LoadDsDDH()
        {
            DonDatHangBUS ddhBUS = new DonDatHangBUS();

            dtgvDsDDH.AutoGenerateColumns = false;
            dtgvDsDDH.DataSource          = ddhBUS.LoadDsDDH(tkGlobal);
            dtgvDsDDH.Columns["colNgayLap"].DefaultCellStyle.Format = "dd/MM/yyyy";
        }
        void LoadComboboxDDH()
        {
            DonDatHangBUS ddhBUS = new DonDatHangBUS();

            cboDonDatHang.DataSource    = ddhBUS.LoadDsDDH();
            cboDonDatHang.DisplayMember = "Maddh";
            cboDonDatHang.ValueMember   = "Maddh";
        }
        private void btnDuyetDDH_Click(object sender, EventArgs e)
        {
            int           maDDH  = Convert.ToInt32(dtgvDanhSachYeuCauDatHang.SelectedCells[0].OwningRow.Cells["colMaDonDatHang"].Value.ToString());
            DonDatHangBUS ddhBUS = new DonDatHangBUS();

            ddhBUS.DuyetDDH(maDDH);
            dtgvDanhSachYeuCauDatHang.AutoGenerateColumns = false;
            dtgvDanhSachYeuCauDatHang.DataSource          = ddhBUS.LoadDsDDH();
        }