>>>
>>>This grid could be based on cursor so users can navigate during 'add' mode and all validatons will be done on save point.
>>
>>One idea, yes, thanks.
>
>I wld double this + add on additional coloring.
>Perhaps new records can be painted differently and at the end
>afer validation all wrong lines can be colored with in some attacking
>red.
>[ Or life threatening / intelligence insulting message :o) ]

Not at all - just sounds a bit of a faff :-)