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Olmop
Level: Powered On

Nested ForAll on Nested Gallery.Allitems

Hi, I was wondering if it is possible to loop through a Nested Gallery?

example: 

ForAll(outerGallery.AllItems, ForAll( innerGallery.AllItems, DO FORMULA))

I can do a nested ForAll on a different collection in the outerGallery ForAll without problem.

I have also checked the length of innerGallery.AllItems by placing a Label in the outerGallery with the CountRows(innerGallery.AllItems) and It does show a proper length. 
For some reason it doesn't see the length of innerGallery.AllItems outside of the loop or something?

Is this by design or a bug or ...?

Thanks in advance

Olmo

3 REPLIES 3
Super User
Super User

Re: Nested ForAll on Nested Gallery.Allitems

How big are your galleries?

Olmop
Level: Powered On

Re: Nested ForAll on Nested Gallery.Allitems

Well I tested it with my inner galleries having 10 Items and my outer gallery being 5 items long

Super User
Super User

Re: Nested ForAll on Nested Gallery.Allitems

If your formula is intended to get a total number of rows for all inner and all outer rows combined, I'm not sure that is going to work in general.  Unless you append a variable every time.  I think you will end up getting just the number of rows in the last sub-gallary for each.  CountRows() does not sum up as you go.  Its a one time result.  It does not accumulate.  You probably need to get a variable going and use it to do a loop sum, so to speak.  I dont have a lot of time today to put an example together.

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