Hello.

Hmmmm. You've tried to change backcolor of a method. This for sure won't work.

I have a couple of suggestions:

1. Use WriteExpression method:

FOR II = 1 TO ThisForm.ControlCount
IF "TXT" $ UPPER(ThisForm.Controls(II).Name)
ThisForm.Controls(II).Enabled = .T. && This works!
ThisForm.Controls(II).WriteExpression("BackColor","RGB(255,255,255)")
ENDIF
ENDFOR

This should work, but,

2.

FOR II=1 to ThisForm.ControlCount
If "TXT" $ UPPER(ThisForm.Controls(II).Name)
ThisForm.Controls(II).Enabled = .T.
ThisForm.Controls(II).BackColor=RGB(255,255,255)
ENDIF
ENDFOR

works better.