为什么不执行SQL语句

[xiangchai]

<%@ page contentType="text/html;charset=GB2312"%>
<%@ page import="java.util.*"%>
<%@ page import="java.sql.*"%>
<%@ page import="datebase.sqlbean"%>
<%

sqlbean bean =new sqlbean();
sqlbean.getConnection();
String aAction = request.getParameter("action")==null?"":request.getParameter("action");

String USERID = request.getParameter("USERID")==null?"":request.getParameter("USERID");

String USERNAME = request.getParameter("USERNAME")==null?"":request.getParameter("USERNAME");

String PASSWORD = request.getParameter("PASSWORD")==null?"":request.getParameter("PASSWORD");
String TMPCOL = request.getParameter("TMPCOL")==null?"":request.getParameter("TMPCOL");

if (aAction.equals("add")){
out.println("插入失败");
bean.executUpdate("insert into users t([USERID],[USERNAME],[PASSWORD],[TMPCOL]) values("+ USERID +",'"+ USERNAME + "'," + PASSWORD + ","+TMPCOL+")");

}else{
//out.println("插入失败");
bean.executUpdate("insert into users t([USERID],[USERNAME],[PASSWORD],[TMPCOL]) values("+ USERID +",'"+ USERNAME + "'," + PASSWORD + ","+TMPCOL+")");
}
//response.sendRedirect("two.jsp");

%>

[xiangchai]

这个写在bean文件中
知道问题了原来是我的aAction没传地过来

[yashaov]

bean.executUpdatep这个事件你写在哪里了？
看一下这个事件里面的代码.