How to use Dynamic DAX Number Format in power BI

0 votes

I want to dynamically change the number format of a DAX measure, based on a dimension value.

Here's an example of the type of measure I'm creating:

My Measure:=IF ( 
    HASONEVALUE ( dimMeasureType[Measure Type] ), 
    SWITCH ( VALUES ( dimMeasureType[Measure Type] ),
        "Total Cost", FORMAT ( [Total Cost], "#,##0, k" ),
        "Cost Per Unit", FORMAT ( [Cost Per Unit], "#,##0.00" ),
        "Cost % Sales", FORMAT ( [Cost % Sales], "0.00%" ),
        BLANK()
    ),
    BLANK()
)

Is there another technique for dynamically changing a measure number format, without converting to a string?

Dec 8, 2020 in Power BI by Rajiv
• 8,910 points
1,015 views

1 answer to this question.

0 votes

You can give them the same display name by adding whitespace to the end of their names:

My Measure:=IF ( 
    SELECTEDVALUE( dimMeasureType[Measure Type] ) = "Total Cost", 
    [Total Cost],
    BLANK()
)
[My Measure ]:=IF ( 
    SELECTEDVALUE( dimMeasureType[Measure Type] ) = "Cost Per Unit", 
    [Cost Per Unit],
    BLANK()
)
[My Measure  ]:=IF ( 
    SELECTEDVALUE( dimMeasureType[Measure Type] ) = "Cost % Sales", 
    [Cost % Sales],
    BLANK()
)

This has some drawbacks though:

  • The chart legend shows all measures, even if all their values are BLANK().
  • The y-Axis of your chart has the same format as the first measure in its 'Values' section.
answered Dec 8, 2020 by Gitika
• 65,850 points

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