Microsoft .NET Framework FAQ - Contains frequently asked questions about Microsoft .NET and the Microsoft .NET Framework. MSDN Library - Technical Articles. - http://msdn2.microsoft.com/en-us/library/ms973850.aspx
DotNetNewsgroup.com - Web access to complete list of microsoft.public.dotnet newsgroups. - http://www.dotnetnewsgroup.com
.NET Framework FAQ - Answers to some commonly asked technical questions about the fundamentals of the .NET framework. Samples are in C#. By Andy McMullan. - http://www.andymcm.com/dotnetfaq.htm
A Programmer's Guide to .NET - Introduction to .NET framework. Learn about ASP.NET, VB.NET, C# and other related technologies. - http://www.dotnet-guide.com
TechInterviews.com - .NET - A large set of .NET-related questions asked at technical interviews. - http://www.techinterviews.com/index.php?cat=9
.NET Bugs Registry - A registry of known .NET bugs. User is able to submit bug reports. - http://www.jelovic.com/dotnetbugs/
.NET 247 - Independent .NET Programmers Reference. - http://www.dotnet247.com/
Error Bank - A filtered database of .NET exceptions, errors and their solutions that have been discussed by developers in newsgroups. - http://www.error-bank.com/
C# .Net Fun - C#, .Net, ASP.NET and Windows Forms tutorials, code samples, downloads. - http://www.dotnetfun.com/
Bob Powell's GDI+ FAQ - The GDI+ FAQ has articles, code, hints and tips for programmers who need the low-down on the .NET graphics system. - http://www.bobpowell.net/gdiplus_faq.htm
DynamicVB.Net - Provides tutorials and information relating to ASP.Net, VB.Net and DotNetNuke. - http://www.dynamicvb.net/
Scrujsoft .NET Site - .NET know-hows, and examples. - http://scruj.russia.webmatrixhosting.net/Knowhows/Knowhows.htm