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How to view subfolders and files within a folder in a document library?

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Posted on by ell1990

Hi all

I am a relatively new user to PowerApps and am trying to create an app that will allow users to navigate through a document library. I have inserted a gallery into the canvas and connected it to the document library. I then want to be able to select a folder and display the contents of it, in another gallery.

Any suggestions would be greatly appreciated.

Thank you in advance.

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Building Power Apps

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yashag2255 24,769 Super User 2024 Season 1 on at

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Hey @ell1990

To get the first level of folders, you can use the below expression on Gallery1:
Gallery1 -> Items -> Filter(Documents, IsFolder = true && 'Folder path' = "Shared Documents/")
Please check if "Shared Documents" is the correct root path in your case.

To get the second level of folders, you can use the below expression on Gallery2:
Gallery1 -> Items -> Filter(Documents, IsFolder = true && 'Folder path' = "Shared Documents/"&Gallery1.Selected.Name&"/")

To get the third level of folders, you can use the below expression on Gallery3:
Gallery1 -> Items -> Filter(Documents, IsFolder = true && 'Folder path' = "Shared Documents/"&Gallery1.Selected.Name&"/"&Gallery2.Selected.Name&"/")

Hope this Helps!

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v-siky-msft on at

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Hi @ell1990

We can use Folder path to filter the gallery.
1. Set the Items property of left gallery: Filter(DOCS,'Folder path'="DOCS/") , DOCS is the name of SP document library.
2. Set the Items property of right gallery: Filter(DOCS,'Folder path' = "DOCS/" & Gallery1.Selected.Name &"/" )
Further steps, set the following steps to set the visible of the right gallery.
1. Put UpdateContext({VarGal:false}) to OnVisible of screen
2. Set OnSelect of right arrow to If(VarGal = false, UpdateContext({VarGal:true}),UpdateContext({VarGal:false}))
3. Set Visible of the right property to VarGal
Hope this can help.
Best regards,
Sik

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Simmo2020 2 on at

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I am having seemingly random results with some folders in gallery one showing files in gallery2 but then some folders not showing any files in gallery2. Looking at Sharepoint there seems no difference between the folders (contents are similar, e.g. PDFs) and the folders were both created automatically by another process (the same process). Any ideas on anything I maybe missing?

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leyburn19 2,157 on at

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I want to do something similar but I think the issue here is delegation, None of the commands are delegable as I think the text is stored in multiple lines of text. So you can only find a max of 2000 (depending on your settings)

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Community Power Pla... on at

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@v-siky-msft i had a question , if i wanted to build the same for lets say 3 Levels Example
Folder-> Folder->Folder_>Files.
There might be a case where in some folders will not have subsequent folders but only files. will the folders then show files or not?
How can I do that?

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mdevaney 29,989 Moderator on at

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@Anonymous

I agree, the accepted solution does not work for more than 2-levels. I have a solution that can navigate all levels of folders, subfolders and files.

Check out this link for a full tutorial on how to make the app in my screenshot:
https://www.matthewdevaney.com/power-apps-navigating-folders-subfolders-in-a-sharepoint-document-library/

As a very short summary, what @ell1990 should do is filter the Items property of the gallery like this.

Filter( 'Customer Files', 'Folder path' = varFolderPathCurrent )

Then use this code in the OnSelect property of the gallery to browse to the next level of the folder or open up a file depending on what the user clicks.

If( // checks whether the gallery item is a folder or file ThisItem.IsFolder, // get the current location for the selected folder Set( varFolderPathCurrent, ThisItem.'Full Path' & "/" ), // open the file a new browser tab Launch( ThisItem.'Link to item', Blank(), LaunchTarget.New ) )

We can also build a way to go back to a previous folder in the file tree. That's explained in my article as well.

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