I'd have to take a closer look at your form to make a precise judgment call on this one, but what about changing the setting of PatientObj's nRequeryType method to 0...this will prevent it from getting automatically requeried.
Regards,
Kevin McNeish Eight-Time .NET MVP VFP and iOS Author, Speaker & Trainer Oak Leaf Enterprises, Inc. Chief Architect, MM Framework http://www.oakleafsd.com