>I took the advice by some experts to stay away from grids except for display/nav purposes.
>But that "lots of code' can go into a class and then it's done, once, and then you've got useful editable grids wherever you need them.

Surely it was a special textbox class used in grids. But I had to put code in grid AfterRowColChange also and in some other methods. In other words, my point was that it was quite complex problem in itself to make it behave the way we needed.