File upload(mp3 and pdf files)

[eluser]Unknown[/eluser]
how to upload mp3 and pdf files in databases using codeigniter.
when i try it says

The uploaded file exceeds the maximum allowed size in your PHP configuration file.

pdf files which have to be downloaded is more than 2MB so please wht to do plz any1 help.
the code i gave is

$config['allowed_types']= 'pdf';
$config['max_size'] = 1024*1024*2;

but it is not working!!!!Plz Help

[eluser]rogierb[/eluser]
Like the error said, it is the maximum allowed size in you php.ini.
Change post max and max allowed to a higher number.

[eluser]eoinmcg[/eluser]
btw, if you don't have access to your php.ini or don't want to fiddle with it you can set max post in your .htaccess

Code:

php_value upload_max_filesize 8M
php_value post_max_size 8M