InfoPath Dev

I am struggle with an issue. I have several drop downs in repeating section. the ddl1 is fed from code and filtered from a ddl outside the repeating section called Region. ddl1 in row 1 works perfectly. when I copy the repeating section or add a new seems that my ddls only have the previously selected...

Ok, it's a little tricky to describe what I'm trying to do, but I'll do my best! Given a repeating section, with a repeating section inside, I want to hide rows of the inner repeating section based on its contents matching the value of a field in the outer sections 'current()' row...