public static string SELECT_BY_CIERRE(long oid)
        {
            QueryConditions conditions = new QueryConditions();

            conditions.CierreCaja     = CierreCaja.New().GetInfo();
            conditions.CierreCaja.Oid = oid;

            return(CashLine.SELECT(conditions, true));
        }
        public static string SELECT_BY_CAJA(long oid)
        {
            QueryConditions conditions = new QueryConditions
            {
                Caja       = Cash.New().GetInfo(),
                CierreCaja = CierreCaja.New().GetInfo()
            };

            conditions.Caja.Oid       = oid;
            conditions.CierreCaja.Oid = 0;

            return(CashLine.SELECT(conditions, true));
        }