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I am trying to create lists of data using dynamic columns, fetching the column name and appending it to the table.
Here is the problem as this step is throwing error:
Expression.Error: We cannot apply operator & to types Table and Text.
Details:
Operator=&
Left=[Table]
Right=Test1
Code:
let
Source = Excel.Workbook(File.Contents("C:\Users\Sivakumar A\Desktop\Power BI\test1.xlsx"), null, true),
Sheet2_Sheet = Source{[Item="Sheet2",Kind="Sheet"]}[Data],
#"Promoted Headers" = Table.PromoteHeaders(Sheet2_Sheet, [PromoteAllScalars=true]),
#"Changed Type" = Table.TransformColumnTypes(#"Promoted Headers",{{"Test1", type text}, {"Test2", Int64.Type}, {"Test3", Int64.Type}, {"Test4", Int64.Type}}),
#"Col Names" = Table.ColumnNames(#"Changed Type"),
#"Generate" = List.Generate(() => [i=-1,x= Table.FromList(#"Col Names",Splitter.SplitByNothing())],
each [i]<List.Count(#"Col Names"),
each [
i=[i]+1,
x=#"Promoted Headers"&#"Col Names"{i}
],
each [x])
in
Generate
I need to extract the column names and append it to the talble and execute in loop
Any help is appretiated.
Solved! Go to Solution.
@MFelix Thanks for referring the post.
I was able to solve the issue using double quite 3 times.
"Table.Distinct(Table.FromList(#"&"""Sheet2 (2)"""&"["&#"Col Names"{i}&"], Splitter.SplitByNothing(), null, null, ExtraValues.Error))"
Hi @siva_powerbi ,
I'm referencing this post to @ImkeF the best M language super user on this forum.
Regards
Miguel Félix
Proud to be a Super User!
Check out my blog: Power BI em Português@MFelix Thanks for referring the post.
I was able to solve the issue using double quite 3 times.
"Table.Distinct(Table.FromList(#"&"""Sheet2 (2)"""&"["&#"Col Names"{i}&"], Splitter.SplitByNothing(), null, null, ExtraValues.Error))"
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