                        <p:commandButton process="itemList @this" update=":#{p:resolveFirstComponentWithId('itemList',view).clientId} :#{p:resolveFirstComponentWithId('po',view).clientId}" value="Remove All" class="ui-button-Danger" style="float: right" action="#{purchaseOrderController.removeSelected()}"/>                            
                                        </div>
                                    </f:facet>
                                    <p:dataTable scrollable="true" styleClass="no