Oracle Developer Tools for Visual Studio

Hi i am trying to connect to oracle 10g thru oracle adata apdapter in VB.net but i m getting error message as

" ORA12514 LISTENERE DOESNOT CURRENTLY KNOW OF SERVICE REQUESTED IN CONNECT DESCRIPTOR"

HERE IS MY LISTENER.ORA FILE (SQLPLUS IS WORKING FINE WITH IT)
# listener.ora Network Configuration File: C:\oracle\product\10.1.0\db_1\network\admin\listener.ora
# Generated by Oracle configuration tools.

listener =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.2.82)(PORT = 1521))
)
)
)

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