Hello friend!
I think, will very useful for you to read the following book :
http://www.amazon.com/CLR-via-C-Jeffrey-Richter/dp/0735627045[
^]
It really reveals subjects that you are interested.
Dig deep and master the intricacies of the common language runtime (CLR) and the .NET Framework 4.0. Written by a highly regarded programming expert and consultant to the Microsoft® .NET team, this guide is ideal for developers building any kind of application-including Microsoft® ASP.NET, Windows® Forms, Microsoft® SQL Server®, Web services, and console applications. You'll get hands-on instruction and extensive C# code samples to help you tackle the tough topics and develop high-performance applications.