private static string deleteArticulo(DBStorage db, string message)
        {
            short id;

            try
            {
                id = Int16.Parse(message);
            }
            catch (Exception) { return("ERR"); }
            if (id <= 0)
            {
                return("ERR");
            }

            return(db.deleteArticulo(id) ? "OK" : "ERR");
        }