Address columns in Power Query

stigcorneer

New Member
Joined
Nov 14, 2018
Messages
24
Hi,

Is it possible to address a Column in Power Query M-code with a dynamic ID-number instead of a static name string?
 

Excel Facts

How to find 2nd largest value in a column?
MAX finds the largest value. =LARGE(A:A,2) will find the second largest. =SMALL(A:A,3) will find the third smallest
This would pick up the column name of the 3rd column. Does that work for you?
Code:
Names = Table.ColumnNames(Source){2}
 
Last edited:
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Potential example of adding new column which is 5+third column, both directly using name "c" and dynamically based on it being in 3rd column

Code:
let Source = Excel.CurrentWorkbook(){[Name="Table1"]}[Content],
Name = Table.ColumnNames(Source){2},
#"Added Custom" = Table.AddColumn(Source, "Custom", each [c]+5),
#"Added Custom1" = Table.AddColumn(#"Added Custom", "Custom.1", each Record.Field(#"Added Custom"{_},Name)+5)
in  #"Added Custom1"
 
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