>So according to that formula what makes the values illegal is the set value of rowheight (on my form it was 20) and I was trying for a headerheight of zero and height of 20??? I 'll try it!
>
>Thanks
>
>Mike

Not just rowheight. Height is also dependant on system's font size settings. Design high enough for all settings and in init or after addobject(ed) set.
Cetin