web中写入pstmt.executeUpdate();报错 帮忙看看哪里错了

<%

String driverName="com.microsoft.sqlserver.jdbc.SQLServerDriver";
String dbURL="jdbc:sqlserver://localhost:1433;DatabaseName=user_Manager";
String userName="sa";
String userPwd="sa";

Connection dbConn=DriverManager.getConnection(dbURL,userName,userPwd); //驱动代码SQL server

   String sql = "Inser into user_N(accnumber,password,password2,username,id) values(?,?,?,?,?)";
   PreparedStatement pstmt = dbConn.prepareStatement(sql);
   pstmt.setString(1,username);
   pstmt.setString(2,password);
   pstmt.setString(3,password2);
   pstmt.setString(4,username);
   pstmt.setString(5,id);
   pstmt.executeUpdate();
   pstmt.close();
   dbConn.close();
    %> 

insert into user_N().... insert 你写的Inser 少个t.