select multiple calues in dialog for a report

for selecting multiple look up values.

UIbuilderclass is must and use list in contract class


class IntercompanyReportUIBuilder extends SysOperationAutomaticUIBuilder

{

    IntercompanyReportContract contract;

DialogField mainAccountLoc,fromdate,toDate;

SysLookupMultiSelectGrid grid;

}private void accountNumLookup(FormStringControl _lookup)

{
Query query = new Query();


QueryBuildDataSource queryBuildDatasource,queryBuildDatasource1;

SysTableLookup sysTableLookup;

MainAccount MainAccount;
if(_lookup!= null)

{

grid = SysLookupMultiSelectGrid::construct(_lookup , _lookup);
//sysTableLookup = SysTableLookup::newParameters(tableNum(MainAccount), _lookup);

//sysTableLookup.addLookupfield(fieldNum(MainAccount,MainAccountId),true);

//sysTableLookup.addLookupfield(fieldNum(MainAccount,Name));

queryBuildDatasource = query.addDataSource(tableNum(MainAccount));

queryBuildDatasource1 =queryBuildDatasource.addDataSource(tableNum(LedgerChartOfAccounts));

queryBuildDatasource1.addRange( fieldNum( LedgerChartOfAccounts, Name)).value("India");

queryBuildDatasource1.joinMode(JoinMode::InnerJoin);//

queryBuildDatasource1.addLink(fieldNum(MainAccount, LedgerChartOfAccounts), fieldNum(LedgerChartOfAccounts, RecId));//MainAccount.LedgerChartOfAccounts == LedgerChartOfAccounts.RecId

query.dataSourceTable(tableNum(MainAccount)).addSelectionField(fieldNum(MainAccount, MainAccountId));

query.dataSourceTable(tableNum(MainAccount)).addSelectionField(fieldNum(MainAccount, Name));

//sysTableLookup.parmQuery(query);

grid.parmQuery(query);

grid.run();
//sysTableLookup.performFormLookup();



}

}public void build()

{

Dialog dialogLoc = this.dialog();
contract = this.dataContractObject() as IntercompanyReportContract ;

this.addDialogField(methodStr(IntercompanyReportContract , parmAccountNumList), contract);

this.addDialogField(methodStr(IntercompanyReportContract , parmFromDate), contract);

this.addDialogField(methodStr(IntercompanyReportContract , parmToDate), contract);

// contract = this.dataContractObject();



}

public void postBuild()

{
  //super();


mainAccountLoc = this.bindInfo().getDialogField(this.dataContractObject(),
  methodStr(IntercompanyReportContract ,parmAccountNumList));

mainAccountLoc.registerOverrideMethod(methodStr(FormStringControl,lookup),methodStr(IntercompanyReportUIBuilder , accountNumLookup),this);

if (mainAccountLoc)

{
  mainAccountLoc.lookupButton(2);

}

}

contract class
[DataMemberAttribute("AccountNumList"),

AifCollectionTypeAttribute("AccountNumList", Types::String),

SysOperationLabelAttribute(literalStr('Account number'))]

public List parmAccountNumList(List _accountNumList = accountNumList)

{

accountNumList = _accountNumList;
  return accountNumList;



}

dpclass
[SysEntryPointAttribute]
in dp class use the list in process method as
public void processReport()

{

GeneralJournalAccountEntry GeneralJournalAccountEntry1;
   

MainAccount main;    
   
  date periodStartDate;

str mainId;



ListIterator accountNumListIt;
  container con;

contract = this.parmDataContract() as IntercompanyReportContract ;


fromDate = contract.parmFromDate();

toDate = contract.parmToDate();
  //mainacc.MainAccountId = contract.parmAccountNum();

accountNumListIt = new ListIterator(contract.parmAccountNumList());


while (accountNumListIt.more())



{
mainacc.MainAccountId = accountNumListIt.value();
..
.. your code
//
intercompanyReportTemp.insert();

accountNumListIt.next();  }