public async Task <ActionResult> CreateItem(MainPageProduct mainPageProduct)
        {
            await _context.MainPageProducts.AddAsync(mainPageProduct);

            _context.SaveChanges();

            var products = await _context.MainPageProducts.ToListAsync();

            return(Ok(products));
        }
        public async Task <IActionResult> DeleteItem([FromQuery(Name = "productId")] int productId)
        {
            MainPageProduct product = _context.MainPageProducts.Where(x => x.MainPageProductId == productId).FirstOrDefault();

            _context.MainPageProducts.Remove(product);
            _context.SaveChanges();

            var products = await _context.MainPageProducts.ToListAsync();

            return(Ok(products));
        }