Better way to allowing certain file types to be uploaded

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Posted on by Community Power Pla... Microsoft Employee

Hi everyone,

I have the following set up, but for some strange reason its hit and miss.

On my attachment control I want to allow only image file types to be uploaded.

I have created a label (LblAttachmentWarning) and its visible property is set to:

If(Not(".img" || ".IMG" || ".png" || ".PNG" || ".gif" || ".GIF" || ".jpg" || ".JPG" in Concat(DataCardValue23.Attachments.Name,Name&",")),true)

and the next buttons visible property on that screen set to:

!LblAttachmentWarning.Visible

This seems to randomly work, sometimes I can upload a .GIF and the next button is visible and I can sometimes upload the same image and the label stays visible, so the next button is invisible, is there a better way of achieving my goal or is there an issue in my code?

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Building Power Apps

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WarrenBelz 156,570 Most Valuable Professional on at

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Hi @Anonymous ,

Put this on the OnAddFile of the Attachment control

With( { wExt: Lower( Right( Last(Self.Attachments).Name, 3 ) ) }, If( wExt <> "jpg" && wExt <> "png" && wExt <> "gif" && wExt <> "img", Notify( "Only Image files allowed", NotificationType.Error ); Reset(Self) ) )

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Community Power Pla... Microsoft Employee on at

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Hi @WarrenBelz

Tried that while in studio mode and it would not allow me to upload any file types the notification appears regardless of it being an img file type
WarrenBelz 156,570 Most Valuable Professional on at

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@Anonymous ,

Sorry - danger of free-typing without testing.

Should be And && not Or ||- fixed on original post now.

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