can not to create new record in scaffolding

[eluser]saleos[/eluser]
Hi,my name is jimmie i'm a newbie of CI

Why i can not to create new record in scaffolding? I'm use CI version 1.7.2

I'm use this in my routes.php
$route['default_controller'] = "blog";
$route['scaffolding_trigger'] = "scaffolding";

I'm call http://localhost/index.php/blog/scaffolding

But when i click Create New Record it not found the page

please help me!

[eluser]DogWin[/eluser]
try http://localhost/blog/scaffolding

[eluser]saleos[/eluser]
When i'm call this
http://localhost/codeigniter/index.php/blog/scaffolding
i'm can open the page. but when am click Create New Record it not found the page.

My folder is www/codigniter

[eluser]DogWin[/eluser]
application/config/config.php
$config['base_url'] = "http://localhost/";

[eluser]saleos[/eluser]
Thank a lot, Now i can open it !

i'm config in config.php to 'http://localhost/codeigniter'