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How to dowload Dataverse attachments from a Canvas app?

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Posted on by WebPortal

2,295

Hi,

This Dataverse table contains a column with attachments.

How to display an icon within a Gallery in a canvas app to allow the users to download the file?

With Sharepoint lists, we'd just use the Launch function with something like:

"ThisItem.Attachments.AbsoluteURI" on the OnSelect property.

But it seems the AbsoluteURI doesn't exist in Dataverse, si how to dowload Dataverse attachments from a Canvas app?

Thanks in advance!

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Microsoft Dataverse with Power Apps

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v-xiaochen-msft on at

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Hi @WebPortal ,

Please take a look at this blog-

http://sharepoint247.com/power-apps/how-to-download-a-file-from-dataverse-file-column-in-power-apps-canvas-app/

There are some escape characters in the formula.

So please try something like this:

Launch(glbEnvURL & "/api/data/v9.0/cr8f6_photolocationimages(" & ThisItem.PhotoLocationImage & ")/cr8f6_file/$value")

The other method is to use attachment control instead of launch/download function in canvas app.

Please take a look at this blog.

https://www.linkedin.com/pulse/download-dataverse-attachments-from-canvas-power-app-mesiha-p-eng/?trackingId=JDbShfb9Q2ScUjoH4DOzhg%3D%3D

Best Regards,

Wearsky

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kaysonli 9 on at

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Wanna report that the method below is failed, the file cannot be downloaded ...

The other method is to use attachment control instead of launch/download function in canvas app.
Please take a look at this blog.
https://www.linkedin.com/pulse/download-dataverse-attachments-from-canvas-power-app-mesiha-p-eng/?tr...

Anyone have solution for downloading file in canvas app? Thanks in advance!

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