[Microsoft][ODBC 驱动程序管理器] 无效的游标状态

我使用dreamwear做的网上投票的例子

其他的页面都调试的没有错误了唯独主页面index.jsp出现了错误

请各位帮帮我 --------------------编程问答-------------------- 错误提示：
exception

org.apache.jasper.JasperException: javax.servlet.ServletException: java.sql.SQLException: [Microsoft][ODBC 驱动程序管理器] 无效的游标状态
org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:502)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:412)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:313)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:260)
javax.servlet.http.HttpServlet.service(HttpServlet.java:717)

root cause

javax.servlet.ServletException: java.sql.SQLException: [Microsoft][ODBC 驱动程序管理器] 无效的游标状态
org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:865)
org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:794)
org.apache.jsp.index_jsp._jspService(index_jsp.java:161)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:388)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:313)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:260)
javax.servlet.http.HttpServlet.service(HttpServlet.java:717)

root cause

java.sql.SQLException: [Microsoft][ODBC 驱动程序管理器] 无效的游标状态
sun.jdbc.odbc.JdbcOdbc.createSQLException(JdbcOdbc.java:6957)
sun.jdbc.odbc.JdbcOdbc.standardError(JdbcOdbc.java:7114)
sun.jdbc.odbc.JdbcOdbc.SQLGetDataInteger(JdbcOdbc.java:3811)
sun.jdbc.odbc.JdbcOdbcResultSet.getDataInteger(JdbcOdbcResultSet.java:5638)
sun.jdbc.odbc.JdbcOdbcResultSet.getInt(JdbcOdbcResultSet.java:583)
sun.jdbc.odbc.JdbcOdbcResultSet.getObject(JdbcOdbcResultSet.java:1693)
sun.jdbc.odbc.JdbcOdbcResultSet.getObject(JdbcOdbcResultSet.java:1743)
org.apache.jsp.index_jsp._jspService(index_jsp.java:128)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:388)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:313)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:260)
javax.servlet.http.HttpServlet.service(HttpServlet.java:717)

note The full stack trace of the root cause is available in the Apache Tomcat/6.0.33 logs.

--------------------编程问答-------------------- 源代码：
<%@ page contentType="text/html; charset=gb2312" language="java" import="java.sql.*" errorPage="" %>
<%@ include file="Connections/vote.jsp" %>
<%
Driver DriverrsVote = (Driver)Class.forName(MM_vote_DRIVER).newInstance();
Connection ConnrsVote = DriverManager.getConnection(MM_vote_STRING,MM_vote_USERNAME,MM_vote_PASSWORD);
PreparedStatement StatementrsVote = ConnrsVote.prepareStatement("SELECT * FROM vote");
ResultSet rsVote = StatementrsVote.executeQuery();
boolean rsVote_isEmpty = !rsVote.next();
boolean rsVote_hasData = !rsVote_isEmpty;
Object rsVote_data;
int rsVote_numRows = 0;
%>
<!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>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>网上投票系统首页</title>
<style type="text/css">

</style>
<script language="javascript">
function doCheck(){
   var i;
   var n=0;
   for(i=0;i<form1.chkItem.length;i++)
     if(form1.chkItem[i].checked)n++;
   if(n==0){
     alert("至少要选择一项才能投票！");
     return false;
   }
}
</script>
</head>

<body>
<form id="form1" name="form1" method="post" action="servlet/vote" onsubmit="return doCheck()">
  <table width="278" border="1" align="center">
  <caption align="top">
    <span class="STYLE4">你最喜爱的旅游景点投票</span>
  </caption>
    <tr>
      <th width="88" scope="col">编号</th>
      <th width="174" scope="col">投票项目</th>
    </tr>
    <tr>
      <th scope="row"><%=(((rsVote_data = rsVote.getObject("id"))==null || rsVote.wasNull())?"":rsVote_data)%></th>
      <td><input name="chkItem" type="checkbox" id="chkItem" value="<%=rsVote_data %>" />
      <%=(((rsVote_data = rsVote.getObject("item"))==null || rsVote.wasNull())?"":rsVote_data)%></td>
    </tr>
  </table>
</form>
<form id="form2" name="form2" method="post" action="">
  <div align="center">
    <input name="btnVote" type="submit" id="btnVote" value="投票" />
    <input name="btnView" type="button" id="btnView" value="查看结果"  onclick="javascript:window.location='result.jsp'" />
    <input name="btnView" type="button" id="btnView" value="管理员登录"  onclick="javascript:window.location='login.jsp'" />
  </div>
</form>

</body>
</html>
<%
rsVote.close();
StatementrsVote.close();
ConnrsVote.close();
%>
--------------------编程问答-------------------- 有的时候错误提示这个：
在这句出错<th scope="row"><%=(((rsVote_data = rsVote.getObject("id"))==null || rsVote.wasNull())?"":rsVote_data)%></th>

补充：Java ,  Web 开发