public ProductCodeWindowViewModel(SainaDbContext uow)
{
ProductBrandsDropDownOpenedCommand = new RelayCommand(OnProductBrandsDropDownOpened, () => ProductBrands != null && ProductBrands.Any());
ProductTypesDropDownOpenedCommand = new RelayCommand(OnProductTypesDropDownOpened, () => ProductTypes != null && ProductTypes.Any());
ProductModelsDropDownOpenedCommand = new RelayCommand(OnProductModelsDropDownOpened, () => ProductModels != null && ProductModels.Any());
OtherProductsDropDownOpenedCommand = new RelayCommand(OnOtherProductsDropDownOpened, () => OtherProducts != null && OtherProducts.Any());
_uow = uow;
ProductBrands = new ObservableCollection <ProductBrand>();
}
