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Patch - Collection

I have collection  like below.  I have row number added while adding new item to that collection. 

If I have 5 items in my collections, If I delete 3rd Item, I wanted to reorder the RowNumber again. Since Order will be changed like (1,2,4,5) when deleting in-between any rows. 

Kindly let me know how to update the collection while deleting any row.


Id: Text(GUID()),
RowNumber: CountRows(myCollection)+1
Not applicable


I think this will not work.. 

Ex : 1,2,3,4,5  If I delete RowNumber 1 then update collectiong using UpdateIf my row will be like that ...1,3,4,5 but I want 1,2,3,4

Hi @Anonymous 


I tested the code @Pstork1 provided and works fine for RowNumber 1 as well. Same code but Used Datasource instead of a collection.


Below code when removing the item from the gallery.


Remove('Desk Reservation',LookUp('Desk Reservation',RowNumber=BrowseGallery1.Selected.RowNumber));
UpdateIf('Desk Reservation',RowNumber > currentrow,{RowNumber: RowNumber -1});




Stalin - Learn To Illuminate

No, if you delete RowNumber 1 then it will update everything with a rowNumber greater than 1.  Which would be 2,3,4,5.  They would become 1,2,3,4.  It will also work if you delete RowNumber 5 because the Update won't do anything since no RowNumber is greater than 5.  UpdateIf() will go through the whole collection and update all the records that meet the criteria.

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Yes, Your are right. Its working. I compared with Equal but It's suppose to be Greater than and Equal

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