public async Task <ActionResult <List <ProductType> > > GetProductTypes()
        {
            var ProductType = await _productTypeRepo.ListAllAsync();

            return(Ok(ProductType));
        }
        public async Task <ActionResult <List <ProductBrand> > > GetProductBrands()
        {
            var ProductBrand = await _productBrandRepo.ListAllAsync();

            return(Ok(ProductBrand));
        }