portal doesn't dynamically update when relationship based on calculation
I have a portal that is based on a key field and an event date.
In the main table, I have a changeable event date, let's call it date_X that is used in the definition of a portal. A record in the portal matches if its event date is before date_X (defined in the relationship graph, not as a filter). So the portal shows all records before date_X.
date_X is based on a calculation that's just a copy of a global field in another table.
When date_X changes, the portal doesn't update unless I do work in the relationship graphic and then exit back to the layout.
If date_X is changed to be a static date field, everything works as expected.
Is there any way to make the portal update automatically ?
FM Pro 11, Mac OSX 10.6