无效的游标状态
<%@ page contentType="text/html;charset=gb2312"%>
<%@ page import="java.sql.*"%>
<html>
<body>
<%
String usename=request.getParameter("usename");
String pwd=request.getParameter("pwd");
String url="jdbc:odbc:Jsp";
String con="sun.jdbc.odbc.JdbcOdbcDriver";
try{
Class.forName(con);
Connection conn=DriverManager.getConnection(url);
Statement sta=conn.createStatement();
String sql="select *from a";
ResultSet rs=sta.executeQuery(sql);
String urr="非凡方法";
System.out.print(rs.getString("usename"));
while(rs.next()){
if(usename.equals(rs.getString("usename"))&&pwd.equals(rs.getString("pwd"))){
out.print(usename);
}else{
out.print(urr);
}
}
}catch(Exception e){
System.out.print(e.getMessage());
}
%>
</body>
</html>
无效的游标状态???????????????????