本书首先介绍了有关.NET和.NET fr a mework的基础知识，然后介绍了利用.NET fr a mework提供的开发环境开发Windows应用程序、Web应用程序、处理数据及创建Web服务等知识，通过对这些内容的介绍，深入阐述了.NET fr a mework编程思想。-This book introduces the basic knowledge about .NET and the .NET fr a mework, and then introduced to use development environment for developing Windows applications by the .NET fr a mework, Web applications, process data and create Web services knowledge, by the content of these introduction into the details of the .NET fr a mework programming ideas.