Simple Custom Lookup Of Customer Account On Form Level

For custom lookup of a customer account on form level. Do override a method on form datasource field.

public void lookup(FormControl _formControl, str _filterStr)

Declare Query object. 

Query query = new Query();
QueryBuildDataSource queryBuildDataSource;
QueryBuildRange queryBuildRange;

SysTableLookup sysTableLookup;

Declare CustTable;

CustTable  custTable;
;

sysTableLookup = SysTableLookup::newParameters(tableNum(CustTable),_formControl);
sysTableLookup.addLookupField(fieldNum(CustTable,CustAccount));
sysTableLookup.addLookupField(fieldNum(CustTable,CustName));

queryBuildDataSource = query.addDataSource(tableNum(CustTable));

queryBuildDataSource.fields().addField(fieldNum(CustTable, CustAccount));

sysTableLookup.parmQuery(query);
sysTableLookup.performFormLookup();

Regards,

Zohan