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HASONEFILTER Function (DAX)

 

Returns TRUE when the number of directly filtered values on columnName is one; otherwise returns FALSE.

Syntax

HASONEFILTER(<columnName>)

Parameters

columnName
The name of an existing column, using standard DAX syntax. It cannot be an expression.

Return Value

TRUE when the number of directly filtered values on columnName is one; otherwise returns FALSE.

Remarks

  1. This function is similar to HASONEVALUE() with the difference that HASONEVALUE() works based on cross-filters while HASONEFILTER() works by a direct filter.

Example

The following example shows how to use HASONEFILTER() to return the filter for ResellerSales_USD[ProductKey]) if there is one filter, or to return BLANK if there are no filters or more than one filter on ResellerSales_USD[ProductKey]).

=IF(HASONEFILTER(ResellerSales_USD[ProductKey]),FILTERS(ResellerSales_USD[ProductKey]),BLANK())

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