Hey,
Sure, I do that all the time. I have a custom code page like this:
public class CustomPageBase
Inherits System.Web.UI.Page
'Do whatever
End class
Then default looks like:
Public class _Default
inherits CustomPageBase
End class
Brian
"Trust in the Lord and do what is good; dwell in the land and live securely. Take delight in the Lord, and He will give you your heart's desires" (Psalm 37: 3-4).