First of all, sorry about the bad title. I didn't know how to summarize it.
I have two objects, both are reference lists.
I have also a window with the two dropdowns. Now, I select Floor 1 and would like that only rooms that are on Floor 1 are shown in the second dropdown. Each Floor has different rooms.
What do I have to do to realize that?
I would read this and at the bottom is a doc attached that gives you a step-by-step walk-through on how to do it. I used it to fulfill my needs which was:
Re: Filtering list by selection
Selecting an entry in list one would only show what i want in list two.
Retrieving data ...