public async Task <IActionResult> DeleteConfirmed(int id)
        {
            var product = (from products in _context.Product
                           where products.Id == id
                           select products).FirstOrDefault();

            _context.Product.Remove(product);
            await _context.SaveChangesAsync();

            return(RedirectToAction(nameof(Index)));
        }
        public async Task <IActionResult> Create([Bind("Id,ProductId,RetailerId,DeliveryStatus")] ProductRetailerRegistration productRetailerRegistration)
        {
            if (ModelState.IsValid)
            {
                _context.Add(productRetailerRegistration);
                await _context.SaveChangesAsync();

                return(RedirectToAction(nameof(Index)));
            }
            ViewData["ProductId"]  = new SelectList(_context.Product, "Id", "Id", productRetailerRegistration.ProductId);
            ViewData["RetailerId"] = new SelectList(_context.Set <Retailer>(), "Id", "Id", productRetailerRegistration.RetailerId);

            return(View(productRetailerRegistration));
        }