Entity Framework Code-First（23）：Entity Framework Power Tools

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Entity Framework Code-First（23）：Entity Framework Power Tools

Entity Framework Power Tools: Entity Framework Power Tools (currently in beta 3) has been released. EF Power Tools is useful mainly in reverse engineering and generating read-only entity data model for code-first. Download and install Power Tools fro…

Entity Framework Tutorial Basics（3）：Entity Framework Architecture

Entity Framework Architecture The following figure shows the overall architecture of the Entity Framework. Let us now look at the components of the architecture individually: EDM (Entity Data Model): EDM consists of three main parts - Conceptual mode…

Entity Framework Tutorial Basics（23）：Add Single Entity

Add New Entity using DBContext in Disconnected Scenario: In this chapter you will learn how to add new entity in DbContext in the disconnected scenario, which in turn inserts a new row in a database table. If you use Database-First approach, then cre…

Entity Framework Tutorial Basics（10）：Entity Lifecycle

Entity Lifecycle: Before we work on CRUD operation (Create, Read, Update, Delete), it's important to understand the entity lifecycle and how it is being managed by the EntityFramework. During an entity's lifetime, each entity has an entity state base…

Entity Framework Tutorial Basics（9）：Entity Relationships

这篇前面已经转载出来了,地址:http://www.cnblogs.com/purplefox2008/p/5646466.html…

Windows Phone开发（23）：启动器与选择器之CameraCaptureTask和PhotoChooserTask

原文:Windows Phone开发(23):启动器与选择器之CameraCaptureTask和PhotoChooserTask 这两个组件都属于选择器,而且它们也有很多相似的地方,最明显的上一点,它们都是用来选择图片. 一.CameraCaptureTask选择器. 它用于启动照相机,当你拍下照片后,自动把照的字节流返回给调用方应用程序.前文说过,启动器和选择的使用方法和步骤都是一样的.对于CameraCaptureTask组件也如此,不过注意的一点是,处理Completed事件时一定要记住…