There are an awful lot of ambiguities in your reply... I am still not sure what you are actually doing. And version 13_0 does not tell me anything useful either.
If you are indeed using datasets (and I am not convinced that you are), than CR does not care about your database logon. Right? E.g.; it will not even know that there is a database there somewhere. So, get rid of the db logon code and have a read of the following:
KBA 1511438 - How to use datasets to pass data to crystal reports
And (this one is critical!!!!):
- Ludek