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Validation for attachment control

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Posted on by Community Power Pla... Microsoft Employee

Hi everyone,

Newbie here. I would like to have a checkbox ticked once the file attached has a .PDF extension. How to better accomplish this one?

Thank you!

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rubin_boer 4,843 Super User 2024 Season 1 on at

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Hi @Anonymous

Add a gallery and assign its Items = AttachmentDatacard.Attatchments

add a label and a checkbox to the gallery

the label Text = ThisItem.Name

the checkbox Default = If(Mid(ThisItem.Name,Find(".",ThisItem.Name)+1,3) = "pdf",true,false)

Once the files are uploaded this is what you get

hope it helps

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Community Power Pla... Microsoft Employee on at

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Thank you @rubin_boer ! before creating what you have suggested though, followup question. Do I still need to create a gallery if my maximum attachment is only limited to 1 (file)?

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rubin_boer 4,843 Super User 2024 Season 1 on at

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hi @Anonymous

you can do that as well. just remember you will have to get the first item like this:

If(Mid(First(DataCardValue20.Attachments).Name, Find(".",First(DataCardValue20.Attachments).Name)+1,3) = "pdf",true,false)

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Community Power Pla... Microsoft Employee on at

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Ah, it did work. However, I want to use the existing checkbox outside the gallery. The checkbox already has an existing string for Default and would just like to add another condition: when .PDF is uploaded in the attachment, checkbox is ticked.😁

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Community Power Pla... Microsoft Employee on at

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Sorry forgot to mention @rubin_boer that I tried adding (&&) your suggested IF condition in my existing checkbox's DEFAULT, no squiggly lines but doesn't seem to work.

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rubin_boer 4,843 Super User 2024 Season 1 on at

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hi @Anonymous

Can you please share the existing string in default.

In the image below the checkbox in the control reference is in a gallery and the gallery is set to the attachments of the datacard hence the Thisitem.Name. The checkbox outside of the control have the default as "

If(Mid(First(DataCardValue20.Attachments).Name, Find(".",First(DataCardValue20.Attachments).Name)+1,3) = "pdf",true,false)" which references the actual datacard and not "ThisItem".

PS

You can add the current string in the

If(

(Mid(First(DataCardValue20.Attachments).Name, Find(".",First(DataCardValue20.Attachments).Name)+1,3) = "pdf") && (Another condition here),
true,
false
)

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Community Power Pla... Microsoft Employee on at

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Hi @rubin_boer , Using your string alone worked, but when I add the existing string: (TextInput1.Text = "Priority"), true, false) - both strings do not work..weird.
So I tried taking out "(" and ")" when adding the existing string, like this:
If(
(Mid(First(DataCardValue20.Attachments).Name, Find(".",First(DataCardValue20.Attachments).Name)+1,3) = "pdf") && TextInput1.Text = "Priority",
true,
false
)
- no squiggly lines but the string for the data card doesn't work.

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