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ISBLANK
Applies to: 👁 Image
Calculated column 👁 Image
Calculated table 👁 Image
Measure 👁 Image
Visual calculation
Checks whether a value is blank, and returns TRUE or FALSE.
Syntax
ISBLANK(<value>)
Parameters
| Term | Definition |
|---|---|
value |
The value or expression you want to test. |
Return value
A Boolean value of TRUE if the value is blank; otherwise FALSE.
Remarks
To learn more about best practices when working with BLANKS, see Avoid converting BLANKs to values in DAX.
Example
This formula computes the increase or decrease ratio in sales compared to the previous year. The example uses the IF function to check the value for the previous year's sales in order to avoid a divide by zero error.
//Sales to Previous Year Ratio
= IF( ISBLANK('CalculatedMeasures'[PreviousYearTotalSales])
, BLANK()
, ( 'CalculatedMeasures'[Total Sales]-'CalculatedMeasures'[PreviousYearTotalSales] )
/'CalculatedMeasures'[PreviousYearTotalSales])
Result,
| Row Labels | Total Sales | Total Sales Previous Year | Sales to Previous Year Ratio |
|---|---|---|---|
| 2005 | $10,209,985.08 | ||
| 2006 | $28,553,348.43 | $10,209,985.08 | 179.66% |
| 2007 | $39,248,847.52 | $28,553,348.43 | 37.46% |
| 2008 | $24,542,444.68 | $39,248,847.52 | -37.47% |
| Grand Total | $102,554,625.71 |
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