Hi Taki,
I don't think you can test an attribute for null values. Usually, when an attribute has a null value, or more precisely, has "no" value, it simply does not exist for the work item. You cannot evaluate something that is nonexistent.
When working with work item queries, you have the option to specify the attribute as "unassigned" though.
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Comments
Donald Nong
Jan 09 '15, 12:10 a.m.Hi Taki,
I don't think you can test an attribute for null values. Usually, when an attribute has a null value, or more precisely, has "no" value, it simply does not exist for the work item. You cannot evaluate something that is nonexistent.
When working with work item queries, you have the option to specify the attribute as "unassigned" though.
Taki Nakajo
Jan 14 '15, 7:13 p.m.Thanks for the comment.