struts 2 don�t get radio button

Hello !!!

I have code thar are running well but have a little problem , I don�t get the radio button in my apllicantion ........I need your help !!!

<?xml version="1.0" encoding="ISO-8859-1" ?>
<%@ page language="java" contentType="text/html; charset=ISO-8859-1" pageEncoding="ISO-8859-1"%>
<%@ taglib prefix="s" uri="/struts-tags" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title> Criar Jogo </title>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
<link href="../templates/questionario.css" rel="stylesheet" type="text/css" />
</head>
<s:head theme="ajax"/>
<body>
<s:form action="incluirQuestionario" theme="simple">
 
 <p id="banner"> </p>
 
 <div id="principal"> </div> 
 
     <table id="tabela">
          <tr>
             <td> Nome do Question�rio : </td>
          </tr>
          <tr>
             <td> <s:textfield name="nome" size="35"> </s:textfield> </td>             
          </tr>
          <tr>
             <td> <s:submit value="Incluir" theme="ajax" notifyTopics="evento" align="left"></s:submit> </td>             
          </tr>
          
      </table>
  
      <s:url id="qsto" action="listaQuestionario.action"> </s:url>
      
      <s :mrgreen: iv id="tabela_remota" href="%{qsto}" theme="ajax" refreshOnShow="true" executeScripts="true" listenTopics="evento"></s :mrgreen: iv>
    
     
    <div id="rodape"> @2007 - Sophos <br/>
      Sistema Educacional a Dist�ncia <br/>
    </div>
 
</s:form>
</body> 
</html>

<?xml version="1.0" encoding="ISO-8859-1" ?>
<%@ page language="java" contentType="text/html; charset=ISO-8859-1" pageEncoding="ISO-8859-1"%>
<%@ taglib prefix="s" uri="/struts-tags" %>
<%@ taglib prefix="display" uri="http://displaytag.sf.net" %>
<%@ taglib prefix="c" uri="http://java.sun.com/jstl/core" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title> Criar Jogo </title>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
 
</head>
<body>
   
 <center>
 
   <display:table name="lista" requestURI="questionario.jsp" pagesize="3" uid="item" cellpadding="10" cellspacing="0">
         <display:caption> Lista de Question�rios </display:caption>
         <display:column  title="Cod."> 
              <input type="radio" name="codQuest" value="${item.codQuest}" />
 </display:column>
         <display:column property="nomeQuest" title="Questionario"></display:column>
 
   </display:table>
 
 </center>  
    
</body> 
</html>

The single problem is I can�t get de radio button ......