Question

请教：jsf中a4j：ajax标签无法刷新panelGroup中的rendered所指属性

Answer 1

<h:selectOneMenu id="type1" value="#{deviceBean.addDeviceType}" rendered="#{not deviceBean.canShowUpdateButton}">
<f:selectItem itemLabel="---#{msgs['PMS.PPM01010.pleaseCheck']}---" ></f:selectItem>
<f:selectItems value="#{deviceBean.deviceNameList}"></f:selectItems>
<a4j:ajax event="valueChange" listener="#{deviceBean.addSubDevice}" render="deviceNo0,type0,canShowSubDevice,canShowProtectSubDeviceButton"></a4j:ajax>
</h:selectOneMenu>

<h:panelGroup rendered="#{deviceBean.canShowSubDevice}">
。。。。。。。
。。。。。。。。。
</h:panelGroup>

Answer 2

<a4j:ajax .................................................................... reRender="" />