Cascade select from external csv file

Welcome to the ODK forum, @DaTaI! We're glad you're here. When you get a chance, please introduce yourself on this forum thread. I'd also encourage you to add a picture as your avatar because it helps build community!

Here is the link to the documentation on external selects. Try it out and let us know what steps you have problems with. Also, here is a link to a forum thread discussing this: