private void frmImportMaterialDetail_Load(object sender, EventArgs e)
        {
            IList <Model.Material> lstMat = new List <Model.Material>();

            try
            {
                using (IUnitOfWork uow = new UnitOfWork())
                {
                    lstMat    = uow.MaterialRepository.GetAllForComboBox();
                    lstDetail = uow.ImportMaterialDetailRepository.All(import.ImportId);
                    uow.Commit();
                }
                ComboboxUtility.BindMaterialToRepositoryItemLookUpEdit(cbbMaterialCode, lstMat, "MaterialId", "MaterialCode", "MaterialCode");
                gridutility.BindingData(lstDetail);
                LoadData(import);
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
        }