i can`t update data

i have made guestbook program.. but the problem is i can`t update my data.. i have 4 files

1. admingb.php = is used to view edit and delete
2. admingb-edit.php = is used to edit my data
3. admingb-del.php = is used to delete data
4. admingb-editp.php = is used to update data

script admingb-editp.php

script admingb.edit.php

i need ur help

and.. when i update data in the url

" http://localhost/latihan/admingb-editp.php?id=$id "

 

Make sure $id = $_GET['gbId']; or $id = $_GET['id']; . You can also verify by do echo the query statement and try to execute it manually...