private void dgvCTPhieuNhap_RowsAdded(object sender, DataGridViewRowsAddedEventArgs e)
{
((DataGridViewComboBoxCell)dgvCTPhieuNhap.Rows[e.RowIndex].Cells["colCTPN_MaNguyenLieu"]).DataSource = NguyenLieuBUS.LayDanhSachTatCaNguyenLieu();
((DataGridViewComboBoxCell)dgvCTPhieuNhap.Rows[e.RowIndex].Cells["colCTPN_MaNguyenLieu"]).DisplayMember = "TenNguyenLieu";
((DataGridViewComboBoxCell)dgvCTPhieuNhap.Rows[e.RowIndex].Cells["colCTPN_MaNguyenLieu"]).ValueMember = "MaNguyenLieu";
}
