public void AttachParent(ProductCategory productCategory, string parentId)
        {
            if (string.IsNullOrWhiteSpace(parentId)) return;

            int id = int.Parse(parentId);
            productCategory.ParentProductCategory = _context.ProductCategories.Find(id);
        }
        public int SaveProductCategory(ProductCategory productCategory)
        {
            productCategory.ModifedDate = DateTime.Now;

            if (productCategory.ProductCategoryId == default(int))
                _context.CreateRecord(productCategory);
            else
                _context.EditRecord(productCategory);

            return productCategory.ProductCategoryId;
        }