public ProductRatingCollection FetchByQuery(Query qry)
        {
            ProductRatingCollection coll = new ProductRatingCollection();

            coll.LoadAndCloseReader(qry.ExecuteReader());
            return(coll);
        }
        public ProductRatingCollection FetchAll()
        {
            ProductRatingCollection coll = new ProductRatingCollection();
            Query qry = new Query(ProductRating.Schema);

            coll.LoadAndCloseReader(qry.ExecuteReader());
            return(coll);
        }