Code for Lookup

public void lookup(FormControl _formControl, str _filterStr)

{

SysTableLookup sysTableLookup; // systemclass to create //customlookup

Query query;

QueryBuildDataSource qbd;



;

sysTableLookup = SysTableLookup::newParameters(tablenum

(SalesTable),_formcontrol);



// Construct query on the table,

// whose records you want to show as lookup.

query = new Query();

qbd = query.addDataSource(tablenum(SalesTable));



//qbd.addRange(fieldnum(TableName,FieldName of table))

//.value(SysQuery::value(enum2str(BaseEnumName::Field of BaseEnum)));

//qbd.addRange(fieldnum(SalesTable,SalesStatus)).value(SysQuery::value(enum2str

//(SalesStatus::Backorder)));



// add the fields to the lookup list

sysTableLookup.addLookupfield(fieldnum(SalesTable,SalesId));

sysTableLookup.addLookupfield(fieldnum(SalesTable,SalesStatus));



// pass the query as parameter

// system will show the records in the lookup

// as per your query

sysTableLookup.parmQuery(query);

sysTableLookup.performFormLookup();



}