C# 如何使用api从Netsuite中搜索工单记录？

我必须根据工单编号从NetSuite中获取工单记录，我可以使用保存的搜索来完成这项工作，但我希望在没有它的情况下完成这项工作，因为我没有在生产中创建另一个保存的搜索记录的权限。我的代码没有返回任何结果，但是搜索成功

以下是我正在使用的代码：

        TransactionSearch ts = new TransactionSearch();
        TransactionSearchBasic tsb = new TransactionSearchBasic();

        // work order number
        SearchStringField sfTranId = new SearchStringField();
        sfTranId.@operator = SearchStringFieldOperator.@is;
        sfTranId.searchValue = workorder;
        sfTranId.operatorSpecified = true;

        // type
        SearchEnumMultiSelectField sfType = new SearchEnumMultiSelectField();
        sfType.@operator = SearchEnumMultiSelectFieldOperator.anyOf;
        sfType.operatorSpecified = true;
        sfType.searchValue = new String[] {"_workOrder"};

        tsb.tranId = sfTranId;
        tsb.type = sfType;

        ts.basic = tsb;
        tsa3.criteria = ts;

        // perform the search
        SearchResult res = _service.search(ts);
        res.pageSizeSpecified = true;

        if (res.status.isSuccess)
        {
            SearchRow[] searchRows = res.searchRowList;
            if (searchRows != null && searchRows.Length >= 1)
            {
                TransactionSearchRow tranRow = (TransactionSearchRow)searchRows[0];
                if (tranRow.basic.internalId != null && tranRow.basic.internalId.Length > 0)
                {
                    woResult = tranRow.basic.internalId[0].searchValue.internalId;
                }                    
            }                
        }

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我意识到我的错误，基本搜索返回RecordList而不是SearchRowList