小编Ans*_*hew的帖子

我有一个特定的要求,我必须更新a dataTable的onchange事件,selectOneMenu但似乎dataTable没有得到更新.我试过使用triggerChange()功能,没有运气.请找到我尝试过的以下代码.

XHTML

<p:selectOneMenu id="id" style="width:250px" 
                 value="#{priceCharterMBean.traffic.id}"
                 required="true"
                 requiredMessage="Traffic is required"
                 filter="true"
                 filterMatchMode="startsWith"
                 widgetVar="w_menu"
                 onchange="updateTable();">
  <p:ajax event="change" process="@this" 
          listener="#{priceCharterMBean.loadTEI}"
          update="aTEModelList"
          immediate="true"
          partialSubmit="true" />
  <f:selectItem itemLabel="Select" itemValue=""
                noSelectionOption="true" />
  <f:selectItems value="#{priceCharterMBean.trafficModelList}"
                 var="traffic" itemLabel="#{traffic.loadTrafficList}"
                 itemValue="#{traffic.id}" />
</p:selectOneMenu>

<p:dataTable style="width:350px" id="aTEModelList" var="aTEModelList" value="#{priceCharterMBean.aTEModelList}" rowKey="#{aTEModelList.id}">
  <p:column style="display: none">
    <f:facet name="header">
      <h:outputText value="Expense Id" />
    </f:facet>
    <h:outputText id="expId" value="#{aTEModelList.id}" />
  </p:column>
  <p:column>
    <f:facet name="header">
      <h:outputText value="Expense Short Description" title="#{text.expenseshortdescription}" />
    </f:facet>
    <h:outputText id="expenseShortDesc" value="#{aTEModelList.expenseShortDescription}" />
  </p:column>
  <p:column>
    <f:facet …