jsp中向数据库插入信息出错的问题!

代码如下:
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@ include file="conn.jsp" %>
<%
  String sname=(String)request.getParameter("text1");
  String pwd=(String)request.getParameter("text2");
  ResultSet rs=stmt.executeQuery("select * from stu");
  if(rs.next()){
  if(rs.getString("name").equals(sname)){
  out.println("用户名已经存在！");
  rs.close();
  stmt.close();
  }
  else
  PreparedStatement pstmt=conn.prepareStatement("insert into stu(name,password)values(?,?)");   
  pstmt.setString(1,sname);   
  pstmt.setString(2,pwd);     
  pstmt.close();   
  conn.close();   
  out.println("注册成功！");
  
   
}
%>

问题是: PreparedStatement pstmt=conn.prepareStatement("insert into stu(name,password)values(?,?)");   
中PreparedStatement在Eclipse中报错!
请高手帮忙!怎样修改?
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else中应该有大括号.改了也同样的错!
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else中应该有大括号.改了没有错啦!!我犯了低级错误!!!!
可以啦!!!!!!!
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正常,赫赫
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