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Helper I
Helper I

create Comma Separated String from collection

Related to some of my other posts. I am trying to find ways around the unsupported multiple select choice check boxes. I want to select items from SPList2 and displays those selected in a field in SPList1 (my request list).

 

 

Current theory I am working on:

I can use a gallery, the items are those in SPList 2. I can apply a checkbox to each of the items displayed. 

If/When checked, the items are added to a collection (colTest). (and removed if unchecked).

 

So, at the end of the screen/process I have a collection of items I want to record against my request on SPList1.

 

ie colTest

Title - Some Text - Some other details

Item 1 - Description - ...

Item 2 - Description - ...

Item 6 - Description - ...

 

My problem, is how to a get the Titles of each item in colTest into a single text field in SPList1 ie: "Item 1, Item 2, Item 6"

 

I cant work out how to combine concat, concatinate, and forall to produce the desired output. 

Is it possible... any examples available?

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Accepted Solutions
Power Apps
Power Apps

You can use the Concat function for that, as shown in the example below:

Concat(colTest, ", " & Title)

Now, with this you'll end up with an extra ", " in the beginning of the sentence (", Item 1, Item 2, Item 6"), so you can use the Mid function to remove those extra characters:

Mid(Concat(colTest, ", " & Title), 3, 1000)

I used a very large third argument so that it would take all characters until the end.

View solution in original post

5 REPLIES 5
Power Apps
Power Apps

You can use the Concat function for that, as shown in the example below:

Concat(colTest, ", " & Title)

Now, with this you'll end up with an extra ", " in the beginning of the sentence (", Item 1, Item 2, Item 6"), so you can use the Mid function to remove those extra characters:

Mid(Concat(colTest, ", " & Title), 3, 1000)

I used a very large third argument so that it would take all characters until the end.

View solution in original post

This looks really good. I havent tried it yet. but thanks for clarifying the syntax.

If I leave the 1000 out (blank), wouldnt the MID function read to the end of the string anyway?!

Thanks

Adam.

No, you need to pass the last parameter, it's not optional. It should be, though, I'll try to talk to the people who own that to make it. For now, using a very high value as the last parameter is a possible workaround.

This one will remove the commas as well: 

 

Right(Concat(colTest), Len(colTest, Concatenate(", ", colTest))-2)

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