C#入门经典 全面讲解c#和.net架构编程知识，解释变量和表达式等基本语法知识 介绍泛型的含义和用法以及数据访问等-C# Getting classic fully explain the c# .net architecture and programming knowledge, to explain the basic knowledge of grammar and other variables and expressions introduce a generic meaning and usage as well as data access, etc.