I have a SSIS package built in Business Intellegience Development Studio which have both source and destination database specified. Now I want to use some variables to param
You can right-click on any connection on the project or package and "Parameterize" all the fields from connection, in project or in package parameters. Connection string differs for OLE DB connection to .NET Providers(SqlClient Data Provider) type, so be careful. We have manage to have one centralized place for connection in Project.params