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HASONEVALUE DAX Function (Information)

Returns true when there’s only one value in the specified column.


HASONEVALUE ( <ColumnName> )
Parameter Attributes Description

The column to check the filter info.

Return values

Scalar A single boolean value.

TRUE when the context for ColumnName has been filtered down to one distinct value only. Otherwise is FALSE.


HASONEVALUE corresponds to the following code:

COUNTROWS ( VALUES ( <ColumnName> ) ) = 1

Related articles

Learn more about HASONEVALUE in the following articles:

Related functions

Other related functions are:

Last update: Oct 27, 2020   » Contribute   » Show contributors

Contributors: Alberto Ferrari, Marco Russo

MSDN documentation:

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.


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.


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


This parameter is deprecated and its use is not recommended.


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