Limit number of rows in repeating table

Winnie — Tue, 01 Nov 2016 22:35:06 GMT

I have set up the below controls:

Application - drop down menu
RepeatingSection - a repeating section containing the Groups drop down menu
Groups - cascading drop down menu that changes depending on what's selected in Application

Basically what I want to do is exactly what's shown in this video: https://www.youtube.com/watch?v=BImvxV5YurQ

I was able to figure out the shrinking list, but I'm having trouble figuring out how to limit the # of rows.

I have set a format rule on the RepeatingSection, where if the total occurrences = # of groups available for selection after picking the Application, then disable the control.

Problem is that once I hit the maximum rows allowed, I can no longer delete rows, contrary to what the video shows.

Does anyone have more insight to the issue? It would be really appreciated!

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Limit number of rows in repeating table