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The Attribute Assistant's expression method does not evaluate Null fields correctly.

Last Published: August 21, 2015 ArcGIS for Desktop
Bug ID Number BUG-000084937
SubmittedJanuary 30, 2015
Last ModifiedMay 20, 2022
Applies toArcGIS for Desktop
Version found10.2.1
Operating SystemWindows OS
Operating System Version7
StatusKnown Limit

Additional Information

Use the correct Syntax. There cannot be a space between the between 'IsNull' and the '('.


The expression must not include a space between 'IsNull' and the '('. The correct syntax should be: IIF (IsNull([Text1] Not: IIF (IsNull ([Text1]

Steps to Reproduce

Bug ID: BUG-000084937


  • ArcGIS for Desktop

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