KNOWLEDGE BASE

Filtering for String Value in a Parameter Returns Null Values


Published: 28 Sep 2016
Last Modified Date: 04 Sep 2017

Issue

When selecting a value in a parameter, the value displays as null.

Additionally, your parameter contains strings that are used in a calculated field. 

Environment

Tableau Desktop

Resolution

Ensure the string that the filter calculation is checking against matches exactly the value set in the parameter (including case sensitivity). 

Cause

The selected parameter value does not match the string.
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