[Axapta-Knowledge-Village] Error in Connecting to Another Database

[Sai Sharan]

Hi all,
    i had a senario where i need to save some data from Ax_Database to another 
database. I had Written a code for connecting to the Externa database.
It worked fine when i Executed my code in VPC(VirtualPC)., But when i Execute 
the same code in Client System it showed me a Problem
saying that
1.ODBC operation failed.Unable to log on to the database.
2.[Microsoft][SQL Native Client]Login timeout expired.
3.Object 'OdbcConnection' could not be created.
 
i wrote my code in SalesFormLetter Class and i caled from 
SalesFormLetter_PickingList.
 
    waiting fr ur valuable sugessions....