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Learner-PBI's avatar
Learner-PBI
New Member
1 year ago
Solved

Need help on DAX function

Hi All, I need help on DAX function:

I have need to concatenate 2 columns with "-" b/w the 2 columns to identify value to 2 columns & if the both the columns are blank then it should show value as "null". Please help me on this dax. Thank you!

Need Help
  • bhanu_gautam's avatar
    bhanu_gautam
    1 year ago

    Learner-PBI , try this dax
    NewColumn =
    IF(
    ISBLANK('Table'[column1]) && ISBLANK('Table'[column2]),
    "null",
    IF(
    ISBLANK('Table'[column1]),
    'Table'[column2],
    IF(
    ISBLANK('Table'[column2]),
    'Table'[column1],
    'Table'[column1] & " - " & 'Table'[column2]
    )
    )
    )

     

     

  • Anonymous's avatar
    Anonymous
    1 year ago

    Hi Learner-PBI ,

     

     

    NewColumn = IF('Table'[column1] = BLANK() && 'Table'[Column2] = BLANK(), "null", 'Table'[Column1] & "-" & 'Table'[Column2])

     

    Or add a condition: connect with ‘-’ only if neither column is blank:

     

    NewColumn = 
SWITCH(
    TRUE(),
    'Table'[Column1]=BLANK() && 'Table'[Column2]=BLANK(), "null",
    'Table'[Column1]=BLANK(), 'Table'[Column2],
    'Table'[Column2]=BLANK(), 'Table'[Column1],
    'Table'[Column1] & "-" & 'Table'[Column2]
)

     

    The logic of the code provided by bhanu_gautam is fine, the problem should be in the emptystring with some features of ISBLANK():

    ISBLANK – DAX Guide

     

    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 

7 Replies

  • bhanu_gautam's avatar
    bhanu_gautam
    Super User
    1 year ago

    Learner-PBI , Try below measure

     

    NewColumn =
    IF(
    ISBLANK(Table[Column1]) && ISBLANK(Table[Column2]),
    "null",
    CONCATENATE(
    Table[Column1],
    IF(
    ISBLANK(Table[Column1]) || ISBLANK(Table[Column2]),
    "",
    "-"
    ) & Table[Column2]
    )
    )

    • Learner-PBI's avatar
      Learner-PBI
      New Member
      1 year ago

      I tried the one you shared & in case of blank it shows "-" & not null

  • Learner-PBI's avatar
    Learner-PBI
    New Member
    1 year ago

    Hi, Thanks for reply. I tried the measure you had shared and I got "Error" & I tried the below function, I got the values concantenated but on the cell which had blank it didnt not show as "null" but instead I got the result as "-"

    New column = if(ISBLANK('Table'[column1])&&

    ISBLANK('Table'[column2]),"null",

    CONCATENATE('Table'[column1],if(ISBLANK('Table'[Column1]),ISBLANK('Table'[column2])," - ")&'Table'[column2]))

    • bhanu_gautam's avatar
      bhanu_gautam
      Super User
      1 year ago

      That's great can you accept my reply as solution if it helped

      • Learner-PBI's avatar
        Learner-PBI
        New Member
        1 year ago

        Would you please help with the below DAX to show as "null" if column1 & column2 is blank & not "-"

        New column = if(ISBLANK('Table'[column1])&&

        ISBLANK('Table'[column2]),"null",

        CONCATENATE('Table'[column1],if(ISBLANK('Table'[Column1]),ISBLANK('Table'[column2])," - ")&'Table'[column2]))

  • Anonymous's avatar
    Anonymous
    Not applicable
    1 year ago

    Hi Learner-PBI ,

     

     

    NewColumn = IF('Table'[column1] = BLANK() && 'Table'[Column2] = BLANK(), "null", 'Table'[Column1] & "-" & 'Table'[Column2])

     

    Or add a condition: connect with ‘-’ only if neither column is blank:

     

    NewColumn = 
SWITCH(
    TRUE(),
    'Table'[Column1]=BLANK() && 'Table'[Column2]=BLANK(), "null",
    'Table'[Column1]=BLANK(), 'Table'[Column2],
    'Table'[Column2]=BLANK(), 'Table'[Column1],
    'Table'[Column1] & "-" & 'Table'[Column2]
)

     

    The logic of the code provided by bhanu_gautam is fine, the problem should be in the emptystring with some features of ISBLANK():

    ISBLANK – DAX Guide

     

    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