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Delete Attachment from Sub-Gallery from Sharepoint List

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Posted on by TesDA

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I'm hoping to enable the end user to be able to delete a specific attachment from within a sharepoint list by way of my power app.

I have two galleries:

PriceProposalGallery: Item: NewProj (sharepoint list)

AttachmentsGallery (sub gallery to PriceProposalGallery): Item: ThisItem.Attachments

I'm trying to use add a trash can icon that's OnSelect would delete/ remove an attachment, this is where I am but nothing seems to be working:

Remove(NewProj, ThisItem.Id)

Error: ThisItem = This formula uses scope, which is not presently supported for evaluation

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Building Power Apps

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cwebb365 3,300 Most Valuable Professional on at

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Well ya don't want to remove from NewPro it'll remove the list item itself :P.

I don't think it's possible to remove items from SharePoint Attachments in PowerApps directly, you have to use the Attachments control and it only works in forms with a submit function.

Alternative solutions might be look to call a flow to remove the attachment onselect the refresh the SP Datasource. But directly out of box PowerApp can't do that to my knowledge.

I always use a document library to store my attachments in Apps instead of SharePoint lists since they are limited to size etc. Just have a doc library, with a added metadata field storing the ID of the list item, then save everything to that library with the Item ID and you can easily connect a gallery directly to that and make edits etc. much easier.

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v-chenzhi Microsoft Employee on at

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Hi @TesDA ,

As mentioned by @cwebb365 , I afraid that there is no way to achieve your needs in PowerApps currently.

As an alternative solution, you could consider achieve your needs using PowerApps together with Power Automate flow. I have a test on my side, please try the following workaround:

Add a trash can icon in PriceProposalGallery and set the OnSelect property of Icon to:

Deleteattachment.Run(ThisItem.ID,First(ThisItem.Attachments).Id);Refresh(List1203)

If this post helps, please mark @cwebb365 's post as a solution.

Best Regards,

Zhi Chen

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