@WebMethod(operationName = "ReadTransDetail")
    public ArrayList<TransDetail> ReadTransDetail(@WebParam(name = "trans_det_id") String trans_det_id) {
            TransDetail trans_det  = new TransDetail();
            ArrayList<TransDetail> trans_dets = new ArrayList<TransDetail>();
            ArrayList<QueryCriteria> qc = new ArrayList<QueryCriteria>();
            if(!trans_det_id.equals("-1")){
                qc.add(new QueryCriteria("trans_det_id", trans_det_id, Operand.EQUALS));
            }
            ArrayList<String> fields = new ArrayList<String>();
            ArrayList<QueryOrder> order = new ArrayList<QueryOrder>();
        try {
           trans_dets = trans_det.Read(qc, fields, order);
        } catch (SQLException ex) {
            Logger.getLogger(JAX_WS.class.getName()).log(Level.SEVERE, null, ex);
        }
            if(trans_dets.isEmpty()){
                return null;
            }
        return trans_dets;
    }