C# Naming Conventions with example

use PascalCasing for class names and method names.
use camelCasing for method arguments and local variables
use noun or noun phrases to name a class.
prefix interfaces with the letter I.  Interface names are noun (phrases) or adjectives.

References:
http://msdn.microsoft.com/en-us/library/ms229043.aspx
http://www.dofactory.com/reference/csharp-coding-standards