need some help with setting the password

[aayatoos]

i need to know if the way that i use to set the password is correct or not coz it is not working with me and it always display the following error messege
Warning: Access denied for user: 'aayat@localhost' (Using password: YES) in c:\apache\htdocs\dbconnect.inc on line

the way i set the password is from the home phpmyadmin
i go to users then i use set the username as "aayat" and the password to "123" then i set the privileges then i press go then it display that the username and the password is set and when i use the command

$db = mysql_connect("localhost", "aayat","123");

it display the above error message

second question
what do the following word mean and at what they are used

revoke
grants

[olaf]

Hi,

i have the problems with last release of mysql (ver 3)
i use 3.23.55 without problems maybe its the same to you???

for your second question just visit mysql.com or look in your manual.

[aayatoos]

will i am using 3.23.47 and i still face the same problem
so if any body could help me by telling the way that you use to set the username and the password for a database

thanks