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JohnLow's avatar
JohnLow
Icon for Helper I rankHelper I
3 years ago
Solved

Cannot convert a value of type Record to type Text.

Hi,   I'm currently trying to extract values from a list column, called data.custom_fields which has 9 records. However I'm getting the following error message:   Expression.Error: We cannot conv...
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  • Anonymous's avatar
    Anonymous
    3 years ago

    Hi JohnLow ,

     

    Please refer to the following steps, hope it helps.

    let
    Source = #table({"aa","bb"},{{1,{1,2,3}},{2,{33,44}}}),
    Custom1 = Table.TransformColumns(Source,{"bb", each Record.FromList(_,{"1"..Text.From(List.Count(_))})}),
    #"Expanded bb" = Table.ExpandRecordColumn(Custom1, "bb", {"1", "2", "3"}, {"1", "2", "3"})
in
    #"Expanded bb"

     

    Best Regards,
    Gao
    Community Support Team

     

    If there is any post helps, then please consider Accept it as the solution  to help the other members find it more quickly. If I misunderstand your needs or you still have problems on it, please feel free to let us know. Thanks a lot!

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ppm1's avatar
ppm1
Icon for Solution Sage rankSolution Sage
3 years ago

The Text.Combine function in your last step expects a list an the input, but it looks like you have expanded a list of records. You should be able to expand that column of [Record] values. Have you tried that (instead of using Text.Combine)?

 

Pat

JohnLow's avatar
JohnLow
Icon for Helper I rankHelper I
3 years ago

Yes, but if I expand this, it give me 9 rows for each record and I would like 9 columns instead. Just not sure how to do that.

 

 

  • Anonymous's avatar
    Anonymous
    Not applicable
    3 years ago

    Hi JohnLow ,

     

    Please refer to the following steps, hope it helps.

    let
    Source = #table({"aa","bb"},{{1,{1,2,3}},{2,{33,44}}}),
    Custom1 = Table.TransformColumns(Source,{"bb", each Record.FromList(_,{"1"..Text.From(List.Count(_))})}),
    #"Expanded bb" = Table.ExpandRecordColumn(Custom1, "bb", {"1", "2", "3"}, {"1", "2", "3"})
in
    #"Expanded bb"

     

    Best Regards,
    Gao
    Community Support Team

     

    If there is any post helps, then please consider Accept it as the solution  to help the other members find it more quickly. If I misunderstand your needs or you still have problems on it, please feel free to let us know. Thanks a lot!

    How to get your questions answered quickly --  How to provide sample data in the Power BI Forum