public async Task <IActionResult> New(Customer customer)
        {
            if (ModelState.IsValid)
            {
                context.Add(customer);
                await context.SaveChangesAsync();

                return(RedirectToAction("Index", "Products"));
            }
            return(BadRequest());
        }
        public async Task <IActionResult> New(Product product)
        {
            if (ModelState.IsValid)
            {
                context.Add(product);
                await context.SaveChangesAsync();

                return(RedirectToAction("Index"));
            }
            //Make sure error messages are present in the view if the view is returned to the customer.
            return(BadRequest());
        }