t}" 
                              filterBy="#{d.billItem.createdAt}"
                              filterMatchMode="contains">
                        <f:facet name="header">
                            <p:outputLabel value="Date"/>
                        </f:facet>
                        <h:outputLabel value="#{d.billItem.createdAt}">
                            <f:convertDateTime pattern="#{sessionController.applicationPreference.longDateFormat}"/>
                        </h:outputLabel>
             