public ActionResult _AddProductComment(ProductComment comment)//int shopID, string title, string comment, string userName)
        {
            if (comment != null)
            {
                ProductComment c = new ProductComment();
                c.ProductID = comment.ProductID;
                c.UserName  = comment.UserName;
                c.Text      = comment.Text;
                c.Title     = comment.Title;

                ShoppingService.AddProductComment(c);
                return(PartialView("_ProductComment", comment));
            }
            return(Content(string.Empty));
        }