i have xhtml page in my seam application with <rich:panel>.A column contain <h:selectOneMenu> tag. i want display the values of one column of database table in that listbox how can i do that?

<ui:define name="body">

    <h:form id="policy" styleClass="edit">

        <rich:panel>
            <f:facet name="header">#{policyHome.managed ? 'Edit' : 'Add'} Policy</f:facet>


            <s:decorate id="policyIdField" template="layout/edit.xhtml">
                <ui:define name="label">Policy id</ui:define>
                <h:inputText id="policyId"
                       disabled="#{policyHome.managed}"
                       required="true"
                           size="30"
                      maxlength="30"
                          value="#{policyHome.instance.policyId}" style=" width : 142px;">
                    <a:support event="onblur" reRender="policyIdField" bypassUpdates="true" ajaxSingle="true"/>
                </h:inputText>
            </s:decorate>
<s:decorate id="PolicyTypeIdField" template="layout/edit.xhtml">
              <ui:define name="label">PolicyTypeID</ui:define>
               <h:selectOneListbox id="PolicyTypeID"
                 required="true"
                 disabled="#{policytypeHome.managed}"
                value="#{policytypeHome.}" style=" width : 142px;">
               
              
                </h:selectOneListbox>
            </s:decorate>
</rich:panel>