Filter the Grid

public class FormRun extends ObjectRun

{

    DimensionDefaultingController   dimDefaultingController;

    NumberSeqFormHandler            numberSeqFormHandler;

    NumberSequenceReference         numberSequenceReference;

    QueryBuildRange                 qbr1;

    QueryBuildDataSource            qbds1;

}

public void init()// init method of datasource

{

    super();

    qbds1 = this.query().dataSourceTable(TableNum(CollectorInformation));

    qbr1= qbds1.addRange(FieldNum(CollectorInformation, Branch));

}

public void executeQuery()

{

    ;

    if(Branch.valueStr())

        qbr1.value(queryvalue(Branch.valueStr()));

    else

    {

        qbr1.value(SysQuery::valueUnlimited());

    }

    super();

}

public boolean modified()

{

    boolean ret;

    ret = super();

    CollectorInformation_ds.executeQuery();

    CollectorInformation_ds.refresh();

    CollectorInformation_ds.reread();

    return ret;

}