Bally Technologies C Sharp and .NET interview questions

I had given an interview at bally technologies on c#.There were 4 round. First was written test there were total 25 questions.It was moderate one.I cleraed this one at 9:30 and hr asked to come for an interview at 3:30 pm.All the candidates were waiting for their chance.At last my technical interview started off at 5:00 PM. It went for 2 hour.He asked everything from basic to complex questions in c#.I cleared this one then Hr told me they already selected two candidate on c# and he will put me on hold for next round.