public ActionResult AddNewProduct(string productName, decimal price, decimal catererDiscount, int restockAmount, int inStock, HttpPostedFileBase image, int categoryId, int sortIndex)
        {
            if (image == null)
            {
                CakesPosRepository cpr = new CakesPosRepository(_connectionString);
                cpr.AddProduct(productName, price, catererDiscount, restockAmount, inStock, "default.jpg", categoryId, sortIndex);
                return(RedirectToAction("Admin"));
            }
            else
            {
                Guid g = Guid.NewGuid();

                image.SaveAs(Server.MapPath("~/Uploads/" + g + ".jpg"));

                CakesPosRepository cpr = new CakesPosRepository(_connectionString);
                cpr.AddProduct(productName, price, catererDiscount, restockAmount, inStock, g + ".jpg", categoryId, sortIndex);
                return(RedirectToAction("Admin"));
            }
        }