SET NULLDISPLAY TO " "
CREATE CURSOR tt (f1 I NULL)
FOR i=1 TO 10
INSERT INTO tt VALUES (0)
ENDFOR
REPLACE f1 WITH NULL FOR RECNO()%2==0
GO TOP
of = CREATEOBJECT("form1")
of.show(1)
SET NULLDISPLAY TO
DEFINE CLASS form1 as Form
ADD OBJECT grid1 as grid
ENDDEFINE