nope.. i havent tried and wont try it... i know some people around me who nearly in the verge of doing this.. and i try my hardest to convince them to go on with their life...and be strong..
I've thought of it, nearly done it about 10 times. But figured its not worth doing. Even talk to my friends about it, we laugh sometimes and think its dumb.
Committing suicide is one of the most selfish things a human can ever do to himself. Take care of your problems instead!