>>I can't pass judgement on that - because I don't know about the particular problem.
>>this can be useful for example if any old data is read-only, but records added in the current session should be editable
>
>Well, you're right that it's hard to pass judgement without knowing full details of a scenario...but editing in grids is not generally a great thing to begin with, and this seems to conjure up a picture to me of a confusing & non-standard interface...

We pretty much agree on the non-standard issue - but it doesn't have to be confusing because of that. Sometimes it is better to do something in a non-standard way that makes sense in a specific scenario (and I am talking in general here - not about this particular problem)

Arnon