public static ProductRecord GetProduct(int productId)
        {
            String    query     = $"SELECT * FROM products WHERE productId={productId}";
            DataTable addresses = connector.ExecuteQuery(query);
            var       record    = new ProductRecord();

            record.Fill(addresses.Rows[0]);
            return(record);
        }
        //-------- GET --------

        public static List <ProductRecord> GetProducts()
        {
            List <ProductRecord> productRecords = new List <ProductRecord>();

            String    query    = "SELECT * FROM products";
            DataTable products = connector.ExecuteQuery(query);

            foreach (DataRow dr in products.Rows)
            {
                var record = new ProductRecord();
                record.Fill(dr);
                productRecords.Add(record);
            }
            return(productRecords);
        }