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Editorial Team
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Asked: 2026-05-24T00:15:15+00:00

I have: <ui:repeat id=projectsTable var=project value=#{projectsBacking.projectList}> #{project.id} <h:dataTable id=usersAssignedToProject#{project.id} var=appUser value=#{projectsBacking.getAllUsersAssignedToProject(project)}> #{project.id} <h:column> <h:outputText

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I have:

<ui:repeat id="projectsTable" var="project" value="#{projectsBacking.projectList}">
  #{project.id}
  <h:dataTable id="usersAssignedToProject#{project.id}" var="appUser" value="#{projectsBacking.getAllUsersAssignedToProject(project)}">
    #{project.id}
    <h:column>
      <h:outputText value="#{appUser.getUsername()}"/>
    </h:column>
  </h:dataTable>
</ui:repeat>

Using <f:ajax> I can not render h:dataTable with given id, can someone explain me what is wrong in this code? When I checked by FireBug <table id="usersAssignedToProject">, but in client side #{project.id} was printed (before and inside datatable).

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1 Answer

  1. Editorial Team

    It is because of id of h:dataTable is resolved when components tree is being build, but var project is only available on render response.
    Try using c:forEach in this case instead of ui:repeat.

    More information on this:
    https://rogerkeays.com/jsf-c-foreach-vs-ui-repeat

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