I run a handful of large websites using .net - I love .net, I love C#
In asp.net 4, please give us the name of the 'object reference' that's not set to an instance of an object :)
I beg you, my life would change, as so would many others. If you're worried about some reflection cost, or whatever, at least make detailed errors an option.
I appologise if this is already included, i couldn't search for it - the term is way too common!
Frank.