private void LayDanhSachHangHoa()
{
HangHoaBUS itemBUS = new HangHoaBUS();
BindingList <HangHoaDTO> danhSach = itemBUS.LayDanhSach();
danhSach.AllowEdit = danhSach.AllowNew = danhSach.AllowRemove = true;
gcDanhMucHangHoa.DataSource = danhSach;
BCIT_ComboBoxItems iComboBox = new BCIT_ComboBoxItems();
gvDanhMucHangHoa.Columns["IdHoatChatChinh"].ColumnEdit = iComboBox.HoatChatChinh();
gvDanhMucHangHoa.Columns["IdNhomHangHoa"].ColumnEdit = iComboBox.NhomHangHoa();
gvDanhMucHangHoa.Columns["IdLoaiHangHoa"].ColumnEdit = iComboBox.LoaiHangHoa();
gvDanhMucHangHoa.Columns["IdHangSanXuat"].ColumnEdit = iComboBox.HangSanXuat();
gvDanhMucHangHoa.Columns["IdNoiSanXuat"].ColumnEdit = iComboBox.NoiSanXuat();
gvDanhMucHangHoa.Columns["IdViTri"].ColumnEdit = iComboBox.ViTri();
gvDanhMucHangHoa.Columns["IdDonViTinh"].ColumnEdit = iComboBox.DonViTinh();
gvDanhMucHangHoa.Columns["IdDonViQuyDoi1"].ColumnEdit = iComboBox.DonViTinh();
gvDanhMucHangHoa.Columns["IdDonViQuyDoi2"].ColumnEdit = iComboBox.DonViTinh();
}