Popular datatable jsf

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Personal am beginner in JSF, would like a tip, as I can popular a datatable through a selection of a combobox that brings a list of items from the bank.

java jsf

  • You are using JSF or Primefaces?

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If you are using JSF 2.0 or higher, you can use the component f:ajax

<h:selectOneMenu value="#{bean.itemSelecionado}">
    <f:selectItems value="#{bean.itens}" var="item" itemLabel="#{item.nome}" itemValue="#{item.id}"/>
    <f:ajax listener="#{bean.listarDataTable}" render="idDoDataTable"/>
</h:selectOneMenu>

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