>>Rich,
>>

	IF EVALUATE(".Columns(nColIndex)." + m.CtrlName + ".Value") ;
>>			!= OLDVAL( .Columns(nColIndex).ControlSource )

part seems to fail. Strange maybe but you need a .value = .value first.
>>Cetin
>
>Uhh ... it works on my computer. I'm using VFP6.0 with VS SP1, how about you?
>
>Cheers,
Still VFP5. Not sure if corrected in 6.0. Try w/o enter but moving up or down. Besides oldval() might return null causing error.
Cetin