• Article

FIRSTNONBLANK Function (DAX)

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.

Property Value/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 .

Note

Constraints on Boolean expressions are described in the topic, CALCULATE Function (DAX).

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.

Note

To understand more about how context affects the results of formulas, see Context in DAX Formulas.