The second template generates the ObjectContext needed for interacting with a database.

第二个模板会生成与数据库交互的ObjectContext。

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The ADO.NET team will make available a T4 template (not included in Beta) to generate classes and extension methods for ObjectContext.

NET小组会提供t 4模版(没有包含在Beta中)来生成objectcontext的类和扩展方法。

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DbContext is a simplified version of ObjectContext, providing basic functionality for model caching, database provisioning, connection management, and schema creation. An example looks as following.

DbContext是ObjectContext的简化版本，提供了基本的模型缓存、数据库供应、连接管理及模式创建等功能。

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