              <p:panelGrid columns="2" styleClass="alignTop" >
                            <p:panel header="Data" >
                                <p:dataTable id="tblBills" 
                                             value="#{billSearch.bills}" 
                                             var="bill" rowKey="#{bill.id}"
                                             rowIndexVar="n"
                                             
                                             reflow="true"
                    