NextPageLink} {LastPageLink} {RowsPerPageDropdown}"
                                currentPageReportTemplate="{startRecord}-{endRecord} of {totalRecords} records"
                                rowsPerPageTemplate="10,20,50,{ShowAll|'All'}"
                                var="bf" 
                                rowKey="#{bf.id}" >

                                <p:ajax  event="rowSelectCheckbox" process="tblFee" listener="#{staffPaymentBillController.performCalculations()}"   
                        