(Proficient in CSharp Simplified Chinese version is a very good C# introductory learning material, which is a real PDF version that can be found. I haven't seen the source of this PDF tutorial, but it seems to be the work of a domestic author. With this book, you can get started with C#. This document includes the following attachments:
C# Tutorial.pdf
CodePub.Com Instructions.txt
.....too many files .....)