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

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

            coll.LoadAndCloseReader(qry.ExecuteReader());
            return(coll);
        }
        public ExchangeCurrencyCollection FetchByID(object ExchangeCurrencyKey)
        {
            ExchangeCurrencyCollection coll = new ExchangeCurrencyCollection().Where("exchange_currency_key", ExchangeCurrencyKey).Load();

            return(coll);
        }