//public async Task<IEnumerable<CategoryModel>> GetProductCategories(int productId)
        //{
        //    return
        //}

        public async Task <IEnumerable <BrandModel> > GetAllBrands()
        {
            return(await _brandManager.GetAllBrands());
        }
        public async Task <IActionResult> List()
        {
            var viewModel = await _brandManager.GetAllBrands();

            return(View(viewModel));
        }