Can't change visibility with expression
I've tried using an expression to amend visibility.
I've got a search control called "Site ID" - I have a nested form that has a visibility expression that when "Site ID" is not empty, make the nested form visible.
However, when a value is entered into "Site ID", nothing changes. I've tried adding a "Refresh" in the Actions & Validations but it doesn't make a difference.
Alternatively, I've tried setting the visibility of the nested form to "Yes" and having the Actions & Validations set the form to not visible if "Site ID" is empty, but the fields inside the nested form are blank (for some reason?) - If I add a refresh to this, it updates the fields in the form but I get an error saying that "There are too many actions performing iterative calls."