The primary benefit of the ADO.NET Entity Framework is to elevate the level of abstraction at which developers can work when they deal with data and to decrease the amount of code that is required to create and maintain data-oriented applications.

• NET实体框架的主要好处在于提高了开发人员处理数据时候的抽象级别，从而降低了创建和维护面向数据的应用程序的代码量。