private static ProductReviewCollection DBMapping(DBProductReviewCollection dbCollection)
        {
            if (dbCollection == null)
                return null;

            ProductReviewCollection collection = new ProductReviewCollection();
            foreach (DBProductReview dbItem in dbCollection)
            {
                ProductReview item = DBMapping(dbItem);
                collection.Add(item);
            }

            return collection;
        }
        /// <summary>
        /// Gets all product reviews
        /// </summary>
        /// <returns>Product review collection</returns>
        public override DBProductReviewCollection GetAllProductReviews(bool showHidden)
        {
            DBProductReviewCollection productReviewCollection = new DBProductReviewCollection();
            Database db = NopSqlDataHelper.CreateConnection(_sqlConnectionString);
            DbCommand dbCommand = db.GetStoredProcCommand("Nop_ProductReviewLoadAll");
            db.AddInParameter(dbCommand, "ShowHidden", DbType.Boolean, showHidden);
            using (IDataReader dataReader = db.ExecuteReader(dbCommand))
            {
                while (dataReader.Read())
                {
                    DBProductReview productReview = GetProductReviewFromReader(dataReader);
                    productReviewCollection.Add(productReview);
                }
            }

            return productReviewCollection;
        }