BLANK DAX Function

Returns a blank.

Syntax

BLANK ( )

This expression has no parameters.

Return values

Scalar A single value of any type.

The BLANK value does not have a data type.

Remarks

The BLANK value is automatically converted in case it is compared with other values. The right way to check whether a value is BLANK is by using the ISBLANK function. Do not use the operator “=”. See related articles for more details.

Related articles

Learn more about BLANK in the following articles:

  • How to handle BLANK in DAX measures

    This article describes a counterintuitive behavior of BLANK in DAX measures affecting Power BI, Analysis Services, and Power Pivot. That behavior could cause mistakes in a report using alternate expressions of the same calculation. Indeed, these expressions are not equivalent when BLANK is involved. » Read more

  • Handling BLANK in DAX

    The blank value in DAX is a special value requiring particular attention in comparisons. It is not like the special null value in SQL, and it could appear in any conversion from a table expression. This article explores in details the behavior of the blank value in DAX, highlighting a common error in DAX expressions […] » Read more

Last update: Dec 1, 2018   » Contribute   » Show contributors

Contributors: Alberto Ferrari, Marco Russo

MSDN documentation: https://msdn.microsoft.com/en-us/query-bi/dax/blank-function-dax

DAX Conventions
Context Transition

This function performs a Context Transition if called in a Row Context. Click to read more.

Row Context

This expression is executed in a Row Context. Click to read more.

Iterator

Not recommended

The use of this function is not recommended. See Remarks and Related functions for alternatives.

Not recommended

The use of this parameter is not recommended.

Deprecated

This function is deprecated. Jump to the Alternatives section to see the function to use.

Deprecated

This parameter is deprecated and its use is not recommended.

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