To elaborate a bit on Bill's response... For optimization purposes, VFP does not automatically refresh all containers when ThisForm.Refresh is invoked. Only visible containers are refreshed - usually. Sometime, you still have to manually do it your self.

If the page in question is not visible, then I would only refresh the controls in the Activate() of the Page:

This.Refresh().

Of course, if you are referring to properties of controls before the page is visible, you may need to refresh earlier.