http://www.entityframeworktutorial.net/Types-of-Entities.aspx We created EDM for existing database in the previous section. As you have learned in the previous section that EDM contains entities for each table in the database. There are two types of…

Types of Entity in Entity Framework: We created EDM for existing database in the previous section. As you have learned in the previous section that EDM contains entities for each table in the database. There are two types of Entities in Entity Framew…

We created EDM for existing database in the previous section. As you have learned in the previous section that EDM contains entities for each table in the database. There are two types of Entities in Entity Framework 5.0/6.0: POCO entity and dynamic…

首先安装Nuget包 Install-package Microsoft.EntityFrameworkCore Install-package Microsoft.EntityFrameworkCore.SqlServer Micorsoft.EntityFrameworkCore:EF框架的核心包Micorsoft.EntityFrameworkCore.SqlServer:针对SqlServer数据库的扩展 其次设置(appsettings.json)配置文件的数据连接字符串 "Conne…

You can change the color of an entity in the designer so that it would be easy to see related groups of entities in the designer from Visual Studio 2012 onwards. To change the color of an entity, select entity in the designer → go to property window…

一.两个实体类的属性名称对应之间的转化 1.两个实体类 public class Entity1 { private Integer id; private String name; private Integer age; private byte sex; // get/set } public class Entity2 { private String name; private Double sal; private Integer age; // get/set } 2.Entity…

本文转自:https://msdn.microsoft.com/en-us/data/jj591617#1.2 When working with Entity Framework Code First the default behavior is to map your POCO classes to tables using a set of conventions baked into EF. Sometimes, however, you cannot or do not want t…

好久没写博客了,继续开启霸屏模式,好了,废话不多说,这次准备重新系统学一下EF,一个偶然的机会找到了一个学习EF的网站(http://www.entityframeworktutorial.net/).准备按照上面一点一点学,学习之路,贵在坚持,贵在持之以恒,这是我给自己的忠告,我不聪明,但我愿意花比别人更多的时间,来学习,相信总有一天,总会有守得花开见月明的那一天! EF学习系列: 1.基本的EF系列教程 [Basics of Entity Framework][EF基础系列1] EF是啥?[…

http://blogs.msdn.com/b/adonet/archive/2009/05/11/sneak-preview-persistence-ignorance-and-poco-in-entity-framework-4-0.aspx In Entity Framework 3.5 (.NET 3.5 SP1), there are more than a few restrictions that were imposed on entity classes. Entity cla…

第五章 对数据库映射使用默认规则与配置 到目前为止我们已经领略了Code First的默认规则与配置对属性.类间关系的影响.在这两个领域内,Code First不仅影响模型也影响数据库.在这一章,你将让默认规则与配置的目光聚焦在类映射到数据库上而不影响概念模型. 我们从简单的映射开始,设法指定数据库的表名,构架与属性.在此你将掌握如何让多个类映射到一个通用表中,或将单个类映射到多个表中.最后,带您漫步各种继承架构的配置. 将类名映射到数据库表名和构架名 EF框架使用模型的类名的复数形式来生成数据…