 filterMatchMode="contains" filterBy="#{row.bill.agentRefNo}">
                                    <h:outputText value="#{row.bill.agentRefNo}" rendered="#{bookingControllerViewScope.checkBillClass(row.bill) eq 'BilledBill'}"/>

                                    <h:outputText value="#{row.bill.billedBill.agentRefNo}" rendered="#{bookingControllerViewScope.checkBillClass(row.bill) eq 'CancelBill'
                                                           or bookingControllerViewScope.checkBillClass(row.bil