How to Create a Serial Number Custom Column without Using Index Column

radonwilson

Board Regular
Joined
Jun 23, 2021
Messages
50
Office Version
  1. 2019
Platform
  1. Windows
I have Lists of Lists in the Custom Column and I want to get the current row number of the table and put that number in List{Number}.

Basically, I want the current row number in the custom column without creating Index Column.

Is it possible?

Power Query:
let
    Source = Table.FromList(List.Transform({1..10},each "Name-"&Text.From(_)),null,{"MyNames"}),
    #"Added Index" = Table.AddIndexColumn(Source, "Index", 1, 1, Int64.Type)
in
    #"Added Index"
 

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How do you want to put the current row number of the table into the list in the list? As a new list item into the inner list?

Perhaps you could post a sample table with the custom column that shows your lists of lists and the desired result, then it explains more about the existing structure and the desired result.
 
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