Create a new page with just this code on it:
<?php
phpinfo();
?>
Then view that page... it will tell you the correct location of the php.ini file. Based on your result you have probably edited the wrong one.
Your friends over here at WebAssist! These Dreamweaver extensions will assist you in building unlimited, custom websites.
These out-of-the-box solutions provide you proven, tested applications that can be up and running now. Build a store, a gallery, or a web-based email solution.