Hi all,
I'm still fairly new to Power Query and am attempting to do a lookup based on a Column's Header in another table. I know how to use List.PositionOf to find the row for a specific value in a column in another table, but I'm not sure how to limit this to just the column's header itself rather than the individual values in that column. For instance, if I have a Data table with column headers Column1, Column2, and Column3 with n rows of data and another Lookup table with columns Header and Letter where the three row contain values Column1 | A, Column2 | B, and Column3 | C I would like to be able to look up the header names from Data in column Header and return the Letter from Lookup.
I cannot post an example file currently. Please let me know if you require any clarification.
Is this possible?
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