"chandra" <cmaddila@yahoo.co.in> writes:
> When we connecting to the database it is asking the password. Without giving
> the password we are able to connect to the database thru pqadmin tool. It
> should check the password.
It sounds like you have different authentication methods selected for
different connection sources. Look at pg_hba.conf (and don't forget
you need "pg_ctl reload" after changing it).
regards, tom lane