ChooseFromList B1 Studio

Hi experts!!

I'm starting to work on B1 Studio. I have 1 form with 2 fields representing CardCode and CardName of a BP. I added a choosefromlist to the first field and it works fine. The problem is that I'm trying to, once I choose the BP in the choosefromlist, both the CardCode and CardName fields be filled with the info (not just the CardCode field), just as SAP's standar behavior with a System form.

Furthermore, I don't know if this can be done on B1 studio or should write some code.

Thanks in advance

Best Regards.