DAX Function Guide

ISERROR
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Sam McKay

CEO & Founder

How does the ISERROR 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?

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

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Considerations when using the ISERROR?

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
= 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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