>Any idea why the first line doesn't work and the second line does?
>
>ThisForm.Topform1.Pageframe1.PAGE1.SetAll('TabStop',.F.,'TextBox')
>ThisForm.Topform1.Pageframe1.PAGE1.Name_Line21.TabStop = .F.
>
>Do I have to specify each individual control to disable the TabStop?
>
>Thank you in advance.

Your textboxes are probably subclasses off of a different class, not the VFP base TextBox class.