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newpbiuser01
Helper V
Helper V

Split a string into a list in DAX

Hello,

 

I am trying to split a string to create a list so I can flag all items that are part of my string and are found in the data table. Unfortunately I cannot do this in Power Query, so I'm trying to do this in a DAX measure. 

 

As as example, my string [List to Check] = "Strawberry, Grapes". 

 

I tried the following measure to split it into a list:

 

Measure =
VAR mymeasure =
    SUBSTITUTE ( [List to Check], ",", "|" )
VAR Mylen =
    PATHLENGTH ( mymeasure )
VAR mytable =
    ADDCOLUMNS (
        GENERATESERIES ( 1, mylen ),
        "mylist", VALUE ( PATHITEM ( mymeasure, [Value],TEXT ) )
    )
VAR mylist =
    SELECTCOLUMNS ( mytable, "list", [mylist] )
RETURN
   IF(MAX('Table - List'[Item]) IN mylist, "Yes", "No")

 

Data Table:

Item

Apple
Pear
Orange
Grapes
Watermelon
Strawberry

 

I get the following error: 

newpbiuser01_0-1693338273641.png

I can't figure out what I'm doing wrong! My list is not numerical, I have clearly specified that the value is text. Would anyone know what I'm doing wrong? I'd really appreciate any help!

Thank you!

1 ACCEPTED SOLUTION
parry2k
Super User
Super User

@newpbiuser01 why you are using VALUE function here :

 

VALUE ( PATHITEM ( mymeasure[Value],TEXT ) )



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2 REPLIES 2
parry2k
Super User
Super User

@newpbiuser01 why you are using VALUE function here :

 

VALUE ( PATHITEM ( mymeasure[Value],TEXT ) )



Subscribe to the @PowerBIHowTo YT channel for an upcoming video on List and Record functions in Power Query!!

Learn Power BI and Fabric - subscribe to our YT channel - Click here: @PowerBIHowTo

If my solution proved useful, I'd be delighted to receive Kudos. When you put effort into asking a question, it's equally thoughtful to acknowledge and give Kudos to the individual who helped you solve the problem. It's a small gesture that shows appreciation and encouragement! ❤


Did I answer your question? Mark my post as a solution. Proud to be a Super User! Appreciate your Kudos 🙂
Feel free to email me with any of your BI needs.

Hi @parry2k

 

I'm using the Value function to get the actual value of the string. You did point out correctly though! Once I remove the Value function, the measure works perfectly! Thank you so much. I couldn't understand why it wouldn't work!

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