Ah yes, create an OLE DB Source in the Connection Manager as well.
You will dynamically set the connection properties.
You may find this article useful.
For better, quicker answers on T-SQL questions, click on the following...
http://www.sqlservercentral.com/articles/Best+Practices/61537/
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http://www.sqlservercentral.com/articles/SQLServerCentral/66909/