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You may be experimenting with multiple connections and different settings for each connection. Instead Instead of recompiling for each change, you might want to change the characteristics of the connection at run time.
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You login manually, entering the login, password, and (if you click the Advanced>> button) Source Source Type, transaction support, and timeout.
Below is the code for forcing the login dialog for the populating the combo box from SQL Server example, commenting out the original XOInstance() call and forcing the login dialog. changing changing XOInstance() to pass no parameters.
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