   <h:panelGroup rendered="#{patientInvestigationController.listingEntity eq 'BILLS'}" >

            <p:dataTable  
                class="w-100"
                value="#{patientInvestigationController.bills}" 
                var="b" 
                paginator="true"
                rowKey="#{b.id}"
                paginatorPosition="bottom"
                rows="10"
                paginatorTemplate="{CurrentPageReport}  {FirstPageLink} {PreviousPageLink} {PageLinks} {NextPageLink} {LastPageLink} {RowsPe