Only columns of the primary data table are showed when using custom expression in Document Property Control


I'm trying to create a document property control with custom expression, but only the columns of one data table are showed for selection. I want to use columns from other data tables, how could I do it?

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Seems I need to change primary data table every time I want to refer to the columns of another table in Expressions. This could work, not sure if there is another way to do it.

heawu - Sep 11, 2016 - 12:37pm ::
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