Linda,
>I have a check for !IsPostBack. Doesn't that mean that it should only fire when the form is first loaded?
IsPostBack is false when you first navigate to a page or any time you redirect to it.
Best 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