I'm working on a getting a dynamic table coded, but it doesn't seem to work.  I define a rich:dataTable with a binding to a backing bean property of type UIDataTable, but no columns appear after adding them through code.

Page:

<?xml version='1.0' encoding='UTF-8' ?>
<!DOCTYPE composition PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<ui:composition xmlns:ui="http://java.sun.com/jsf/facelets"
                xmlns:h="http://java.sun.com/jsf/html"
                template="/WEB-INF/include/main-template.xhtml"
                xmlns:rich="http://richfaces.org/rich"
                xmlns:f="http://java.sun.com/jsf/core"
                xmlns="http://www.w3.org/1999/xhtml"
                xmlns:a4j="http://richfaces.org/a4j">
    <ui:define name="left">
        <h:form>
            <rich:panel style="text-align: center">
                <h:commandButton value="Search" action="#{listController.searchForList()}" styleClass="searchButton"  />
            </rich:panel>
        </h:form>
    </ui:define>
    <ui:define name="content">
        <rich:panel id="resultsPanel" header="Results">
            test before
            <rich:dataTable id="resultsTable"  binding="#{listController.list}"/>
            test after
        </rich:panel>
    </ui:define>
</ui:composition>

Managed bean:

@Named
@SessionScoped
public class ListController implements Serializable {

    @EJB
    private SessionSearchBeanLocal searchBean;
    private UIDataTable list;

    public void searchForList() {
        list = searchBean.findList();
    }

    public UIDataTable getList() {
        return list;
    }

    public void setList(UIDataTable list) {
        this.list = list;
    }
}

EJB:

@Stateless
public class SessionSearchBean implements SessionSearchBeanLocal {

    @PersistenceContext
    private EntityManager em;

    @Override
    public UIDataTable findList() {
        FacesContext fc = FacesContext.getCurrentInstance();
        Application app = fc.getApplication();
        ExpressionFactory exp = app.getExpressionFactory();

        UIDataTable dataTable = (UIDataTable) app.createComponent(UIDataTable.COMPONENT_TYPE);
        UIColumnGroup headerColumnGroup =  (UIColumnGroup) app.createComponent(UIColumnGroup.COMPONENT_TYPE);
        UIColumn column;
        HtmlOutputText output;

        dataTable.getChildren().add(headerColumnGroup);
        dataTable.setId("resultsDataTable");
        dataTable.setColumnClasses("columsClasses");

        column = (UIColumn) app.createComponent(UIColumn.COMPONENT_TYPE);
        output = (HtmlOutputText) app.createComponent(HtmlOutputText.COMPONENT_TYPE);
        output.setValue("Name");
        column.getChildren().add(output);
        headerColumnGroup.getChildren().add(column);

        column = (UIColumn) app.createComponent(UIColumn.COMPONENT_TYPE);
        output = (HtmlOutputText) app.createComponent(HtmlOutputText.COMPONENT_TYPE);
        output.setValue("Street Address");
        column.getChildren().add(output);
        headerColumnGroup.getChildren().add(column);

        column = (UIColumn) app.createComponent(UIColumn.COMPONENT_TYPE);
        output = (HtmlOutputText) app.createComponent(HtmlOutputText.COMPONENT_TYPE);
        output.setValue("G");
        column.getChildren().add(output);
        headerColumnGroup.getChildren().add(column);

        column = (UIColumn) app.createComponent(UIColumn.COMPONENT_TYPE);
        output = (HtmlOutputText) app.createComponent(HtmlOutputText.COMPONENT_TYPE);
        output.setValue("A");
        column.getChildren().add(output);
        headerColumnGroup.getChildren().add(column);

        column = (UIColumn) app.createComponent(UIColumn.COMPONENT_TYPE);
        output = (HtmlOutputText) app.createComponent(HtmlOutputText.COMPONENT_TYPE);
        output.setValue("P");
        column.getChildren().add(output);
        headerColumnGroup.getChildren().add(column);

        column = (UIColumn) app.createComponent(UIColumn.COMPONENT_TYPE);
        output = (HtmlOutputText) app.createComponent(HtmlOutputText.COMPONENT_TYPE);
        output.setValue("S");
        column.getChildren().add(output);
        headerColumnGroup.getChildren().add(column);

        column = (UIColumn) app.createComponent(UIColumn.COMPONENT_TYPE);
        output = (HtmlOutputText) app.createComponent(HtmlOutputText.COMPONENT_TYPE);
        output.setValue("Reg Date");
        column.getChildren().add(output);
        headerColumnGroup.getChildren().add(column);

        column = (UIColumn) app.createComponent(UIColumn.COMPONENT_TYPE);
        column.setColspan(7);
        output = (HtmlOutputText) app.createComponent(HtmlOutputText.COMPONENT_TYPE);
        output.setValue("Z");
        output.setParent(column);
        column.getChildren().add(output);
        dataTable.getChildren().add(column);

        return dataTable;

    }
}