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FIRSTNONBLANK

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Applies to: Calculated column Calculated table Measure Visual calculation

Note

This function is discouraged for use in visual calculations as it likely returns meaningless results.

Returns the first value in the column, <column>, filtered by the current context, where the expression is not blank.

Syntax

FIRSTNONBLANK(<column>,<expression>)

Parameters

Term Definition
column A column expression.
expression An expression evaluated for blanks for each value of column.

Return value

A table containing a single column and single row with the computed first value.

Remarks

  • The column argument can be any of the following:

    • A reference to any column.
    • A table with a single column.

  • A Boolean expression that defines a single-column table .

  • Constraints on Boolean expressions are described in the topic, CALCULATE function.

  • This function is typically used to return the first value of a column for which the expression is not blank. For example, you could get the last value for which there were sales of a product.

  • This function is not supported for use in DirectQuery mode when used in calculated columns or row-level security (RLS) rules.

Related content

LASTNONBLANK function Statistical functions