Entity Framework Core with ASP .Net Core Web API - useful hints Short introduction. In my previous article available here article I tried to briefly introduce you to Entity Framework Core object-relational mapper used together with ASP .NET Core Web API. I tried to include code samples, some best practices and some common pitfalls.
Entity Framework 实体框架的形成之旅--Code First模式中使用 Fluent API 配置（6） walb呀 2017-12-04 14:22:00 浏览839 Entity Framework 实体框架的形成之旅--利用Unity对象依赖注入优化实体框架(2)
Fluent API and annotations are you two options when it comes to controling mappings and configuring constraints such as field length or required. When configured these constraints it will affect the database that is created by Code First as well as the validation that is done by Entity Framework.
Foreign Key constraint in Entity Framework in code first approach RSS. 7 replies Last post Aug 11, 2017 08:16 AM by ... Entity Framework Fluent API - Configuring and Mapping Properties and Types. If you have any other questions, please feel free to contact me any time. Best Regards
The Entity Framework Core Fluent API HasIndex method is used to create a database index on the column mapped to the specified entity property. By default, indexes are created for foreign keys and alternate keys. You may wish to create indexes on other properties to speed up data retrieval:
Feb 28, 2017 · How To: Entity Framework Core relationships, composite keys, foreign keys, data annotations, Code First and Fluent API
The fundamental idea behind a fluent API involves using chained method calls to produce code that is easy for the developer to read. The return type of each call then defines the valid methods for the next call. For example, in the Code First Fluent API, you can use the Entity method to select an entity to configure.
Jun 01, 2013 · In this column, I'll work through this problem using Entity Framework Code First development, LINQ and (for the UI) ASP.NET MVC. By the end of the column you'll have a roadmap for handling many-to-many relationships in your applications. The Data Design My client for this project was a "Code First all the way" shop.
Entity Framework Code-First provides a set of DataAnnotation attributes, which you can apply to your domain classes and properties. DataAnnotation attributes override default Code-First conventions. System.ComponentModel.DataAnnotations includes attributes that impacts on nullability or size of the column.