Verdiğim linkten indirip kolayca kullanabilirsiniz. Aşağıda bir örnek kullanmını da verdim:
public void Agreementlookup(FormControl _formControl, str _filterStr)
{
SMAAgreementTable SMAagreementTable;
Query query = new Query();
SysMultiTableLookup sysTableLookup;
QueryBuildDataSource queryBuildDataSource = query.addDataSource(tablenum(SMAAgreementTable));
QueryBuildDataSource qbds2;
QueryBuildRange qbr;
;
qbds2=queryBuildDataSource.addDataSource(tablenum(B_AgreementCustomerTable));
qbds2.relations(true);
qbr=qbds2.addRange(fieldnum(B_AgreementCustomerTable, num));
qbr.value(strfmt('((Num == "%1") && (AccountCode == TableGroupAll::Table)) || (AccountCode == TableGroupAll::All)',
QueryValue(salesTable.CustAccount)));
sysTableLookup = SysMultiTableLookup::newParameters(_formControl,query);
sysTableLookup.addLookupfield(fieldnum(SMAAgreementTable, AgreementId),1);
sysTableLookup.addLookupfield(fieldnum(SMAAgreementTable, AgreementDescription),1);
sysTableLookup.addLookupfield(fieldnum(SMAAgreementTable, ProjId),1);
sysTableLookup.addLookupfield(fieldnum(B_AgreementCustomerTable, AccountCode),2);
sysTableLookup.addLookupfield(fieldnum(B_AgreementCustomerTable, Num),2);
sysTableLookup.parmQuery(query);
sysTableLookup.performFormLookup();
}
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