How does the ISERROR function (DAX) work?

ISERROR function (DAX) checks if a value is an error, and returns either TRUE or FALSE.

ISERROR Formula Syntax

ISERROR (<value>)

How do you use the ISERROR function?

Checks whether a value is an error, and returns TRUE or FALSE.

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Considerations when using the ISERROR function

The ISERROR function is used to check for errors, such as division by zero. If there is an error a blank is returned, otherwise the ratio is returned.

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Formula examples using the ISERROR function

= IF( ISERROR(  
       SUM('ResellerSales_USD'[SalesAmount_USD])  
       /SUM('InternetSales_USD'[SalesAmount_USD])  
             )  
    , BLANK()  
    , SUM('ResellerSales_USD'[SalesAmount_USD])  
      /SUM('InternetSales_USD'[SalesAmount_USD])  
    )

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