MSDN Visual C# Development Center
The Microsoft Visual C# Dev Center has tons of great links, downloads, blogs, and anything else you may need. 

Wonderful C# Tutorial
Very large single page tutorial with excercises and sample code. Topics include a hello world app, C# syntax, error handling, and object oriented programming. 

C# Example Programs
Download and reference Chilkat's C# examples for samples on mail, encryption, and more. 
C# Web Services
Nice smaller single page web service tutorial. Link at bottom to download the entire tutorial with source code. 

C# Language Reference

Msdn's C# language reference pages. Learn about namespaces, structs, classes, interfaces, conversions and more. 
C# Programming                                                                                         Top...
It is true that all our lessons are written in VB, but if you actually look at most of them, you'll see that most of them have VERY little code - along the lines of only 2-3 lines 
What is ASP.Net - Video Tutorial
This article assumes that you have installed and are familiar Looking for tutorials on VB.NET, C#, ASP.NET? We cover them all. We have more than 30 video tutorial series, totalling over 500 individual .NET video tutorials. Take a look at our complete .NET tutorial library.
ASP.NET 2.0 Tutorial
Remoting, reflection, multithreading, file manipulations, and creating a simple winform are all covered. 

Introduction to C#

Multi-page C# tutorial with lots of embedded code samples and nice screen shots. 
C# Tutorial PDF
This course is a C# tutorial for programmers who are already familiar with Java or similar languages. It starts out with basic C# features such as types, expressions, statements and object-orientation and continues with more advanced features such as threads, attributes, namespaces and assemblies. It also provides a short glimpse into .NET's base class library. 
C# Computing Tutorial
Index page for a nice looking multi-part C# tutorial. Covers recursion, exceptions, events, forms, numerical methods, and creating components 
Softsteel C# Tutorials
Topics covered include variable types, arrays, enumerations, classes, loops, constants, methods, polymorphism, and delegates. 
Easy C# Tutorial
Excellent one page tutorial with great sample code. 
C# Station Tutorial

Great comprehensive tutorial introducing C# and how it fits in to the .NET platform. 18 C# lessons with code samples included. Lessons range from interfaces to using attributes, Enums, and Operator overloading.

C# Resources
C# is a general purpose programming language, very much tied to Microsoft's .NET Framework. It is pronounced "c-sharp" like the musical note — as in C but better (higher).

C# Tutorial
This C# tutorial is aimed at the complete beginner, so in the tutorial I will include as much about Object-oriented programming as I will about C#. The C# language is fast becoming the language of choice with the .NET platform. 
C# - adventures in coding
This is a five part tutorial introducing the fundamentals of C# programming from Bitwise magazine. 
C# Tutorial
Good lessons, total 25 online lesson Tutorial. 
Developers School For Learning C#
15 online lessons in C# with a dedicated message board. 
C# Programming Course                                                                                        

These are the full slides and notes for a 5 day instructor led course on C# Programming.