No MySQL information in PHP phpinfo

PHP Phpinfo does not have the MySQL information, what is the end of it? Dizzy.
Windows 2003,iis Environment, MySQL installed
1.php.ini extension=php_mysql.dll ago;
2.extension_dir = "D:\PHP5\ext" points to the correct
Php_mysql.dll exists in the 3.ext directory.

What the hell is going on? No one can answer?

Reply to discussion (solution)

The values of the following items in the Phpinfo results are posted
Configuration File (php.ini) Path
Loaded Configuration File
Display_errors
Extension_dir

Restart IIS after modification

Configuration File (php.ini) Path C:\WINDOWS
..
Loaded Configuration File--not found
..
Display_errorsonon
..
Extension_dirc:\php5c:\php5

Extension_dir I set it in php.ini Yes
Extension_dir = "D:\PHP5\ext"
What is shown in Phpoinfo () is the C:\PHP5???

Configuration File (php.ini) Path = C:\WINDOWS
Loaded Configuration File = Empty
This means your php.ini is not in effect.
Because you didn't put php.ini in the default location C:\WINDOWS
If you want to change this default location, you need to set the environment variable phprc= "D:\PHP5\" for IIS

Configuration File (php.ini) Path = C:\WINDOWS
Loaded Configuration File = Empty
This means your php.ini is not in effect.
Because you didn't put php.ini in the default location C:\WINDOWS
If you want to change this default location, you need to set the environment variable phprc= "D:\PHP5\" for IIS--
Thank you very much moderator, problem solved, originally is php.ini not effective, so. Knot immediately.

