The form and grid are both Subclasses of base objects in my classlibrary
- no createobjects involved (except where I want ComboBoxes or something special in the grid - which in this case is no)

I think you are right.. it certainly seems like I can't remove them

Thanks for your assistance - Using the column collection has done the trick.

Will

>Is your form created with CreatedObject or does your form contains an
>instance of a business object class that includes your grid?
>
>If yes,
>I seriously doubt you can make the column object reference disappears
>because it is a member of a class. The same principle applies to all
>controls removed at runtime. Always verify whether an object is a
>member of the appropriate controls/columns/buttons collection to
>determined if it was removed at runtime!
>
>
>Daniel