User kokos answered the wonderful hidden features of c# question by mentioning the using keyword. Can you elaborate on that? Either way, when the using block is exited (either by successful completion or by error) it is closed.
Gout Management Apps A Review Mr.Hotsia Travel with Health
Not using by means that the technology used is incidental, and the focus is on the approach being shown to be feasible. Although i think it would be better to.