How can I rerender a datatable from a RichFaces' modalPanel?

I'm trying to do it this way, but doesn`t work

<h:panelGroup id="panel">
<rich:dataTable id="table">
...
</rich:dataTa开发者_StackOverflow社区ble>
</h:panelGroup>


<rich:modalPanel>
<h:form>
...
...
<a4j:commandButton value="Update dataTable" ajaxSingle="true" reRender="panel" process="..."/>
</h:form>
</rich:modalPanel>

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Try to use <a4j:outputPanel> to reRender the panelGroup

<a4j:outputPanel id="myOutPanel">
   <h:panelGroup id="panel">
      <rich:dataTable id="table">
      ...
      </rich:dataTable>
   </h:panelGroup>
</a4j:outputPanel>

Modal button...

<a4j:commandButton value="Update dataTable" ajaxSingle="true" reRender="myOutPanel" process="..."/>

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You can check your code to see what id the rendered html <table> corresponding to your datatable has. Or you can use the Firebug plugin for Firefox for this.

I am suggesting this because of you have included you datatable in a like this:

<form id="myForm">
    <rich:dataTable id="myId">
    </rich:dataTable>
</form>

, the id it will end up with will be myForm:myId. So you must either:

• use reRender="myForm:myId"
• use the prependId="true" on the form to prevent it from appending its own id to the components it includes.

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The code that you have should work. Try adding a4j:log and check if the id (node) for re-render is found.