Basic, Interesting & Important

Database

1. Isolation Level:

http://en.wikipedia.org/wiki/Isolation_(database_systems)

2. Index:

http://en.wikipedia.org/wiki/Index_(database)

C#

1. ASP.NET Page lifecycle events

http://www.asp.net/general/videos/page-lifecycle-events

2. Garbage collection

http://msdn.microsoft.com/en-us/library/ms973837.aspx

3. Value vs Reference Types
http://www.albahari.com/valuevsreftypes.aspx

4. An Introduction to C# Generics

http://msdn.microsoft.com/en-us/library/ms379564(v=vs.80).aspx

5. Discover the Design Patterns You're Already Using in the .NET Framework

http://msdn.microsoft.com/en-us/magazine/cc188707.aspx

ADO.NET

1. Performance Comparison: Data Access Techniques

http://msdn.microsoft.com/en-us/library/ms978388.aspx