DataTable - Dynamic Columns Columns of datatable can be created dynamically using the p:columns component.
Available columns are "id","brand","year","color" and "price".
IDBRANDYEAR
0e2c3521Jaguar1987
12edac53Audi1963
e92c112bVolkswagen1977
ab1ebf41Fiat2007
522bea29Renault1962
9fb2edc7Fiat1964
aa17955fBMW2005
35b3cfd1Volvo1965
0e36b067BMW1983
0823dd52Volvo1968
<h:form id="form">    
    <h:panelGrid columns="3" style="margin:10px 0">
        <p:outputLabel for="template" value="Template:" style="font-weight:bold"/>
        <p:inputText id="template" value="#{dtColumnsView.columnTemplate}" size="50"/>
        <p:commandButton update="cars" actionListener="#{dtColumnsView.updateColumns}" value="Update" process="@parent" icon="ui-icon-refresh" oncomplete="PF('carsTable').clearFilters()"/>
    </h:panelGrid>

    <p:dataTable id="cars" var="car" value="#{dtColumnsView.cars}" widgetVar="carsTable" filteredValue="#{dtColumnsView.filteredCars}">                    
        <p:columns value="#{dtColumnsView.columns}" var="column" columnIndexVar="colIndex" sortBy="#{car[column.property]}" filterBy="#{car[column.property]}">
            <f:facet name="header">
                <h:outputText value="#{column.header}" />
            </f:facet>
            <h:outputText value="#{car[column.property]}" />
        </p:columns>
    </p:dataTable>
</h:form>
                
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