How to learn .net with c# clearly and rapidly (for a php programmer)

How to learn .net with c# clearly and rapidly (for a php programmer)

i am a 'PHP' programmer with 2.5 years exp..And now i want to learn .net
with c#. How do i start and learn clearly and easily. I don't know how to
connect db and develop a app. But i know C++.Please any one give tips.