>Here's the (safe) MS way:

>if(columns.Contains(columnName))
>  if(columns.CanRemove(columns[columnName]))
>    columns.Remove(columnName);
>

>HTH,
>Viv

Sure, did it already. Still doesn't explain the original question though.

Anyway, I have to now close several of my application including IE... Installing NET Framework 3.5

Actually, didn't notice CanRemove first, I'll add it as well.