Use this resource to solve your issue
http://codex.wordpress.org/Resetting_Your_Password 1. Simple Method
2. Through the automatic emailer
3. Through phpMyAdmin
4. Through FTP
5. Using the Emergency Password Reset Script
6. Changing your password in older versions
Your Wordpress password can be obtained in several ways. This article will walk you through he process of resetting it:
Resetting your WordPress Admin Password
http://codex.wordpress.org/Resetting_Your_Password
1. Simple Method
2. Through the automatic emailer
3. Through phpMyAdmin
4. Through FTP
5. Using the Emergency Password Reset Script
6. Changing your password in older versions