Why call Dispose()? Memory leak won't occur?

Question

Edit: My question isn\'t getting the main answer that I was looking for. I wasn\'t clear. I would really like to know two things:

1. Can NOT call

Answer 1

Dispose() is intended to free resources that the garbage collector won't free, such as database connections. These resources should also be freed in the finalizer, however the finalizer is much slower than the Dispose() method.