You can create an easy to chain API using TypeScript classes. Learn about the thisreturn type annotation and how it plays with function chaining and class inheritance. class Adder { ; add(num: number): Adder { this.acc += num; return this; // enable…

A Vuex store centralizes the state of your app, making it easy to reason about your state flow. In this lesson we’ll see how we can create a Vuex store using TypeScript and use it on you class-based component by using the @State decorator from Vuex C…

Learn how to create random integers using JavaScript / TypeScript. /** * Returns a random int between * @param start inclusive * @param before exclusive */ export function randomInt(start: number, before: number) { return start + Math.floor(Math.rand…

原文链接:http://www.c-sharpcorner.com/UploadFile/3d39b4/relationship-in-entity-framework-using-code-first-approach-w/ In this article, you will learn about relationships in Entity Framework using the Code First Approach with Fluent API. 在这篇文章中,你将会学习到使用EF…

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…

Fluent API in Code-First: We have seen different DataAnnotations attributes in the previous sections to override default Code-First Conventions. Here, we will learn about Fluent API. Fluent API is another way to configure your domain classes. Fluent…

在前面的章节中,我们已经看到了各种不同的数据注解特性.现在我们来学习一下Fluent API. Fluent API是另外一种配置领域类的方式,它提供了更多的配置相比数据注解特性. Mappings[映射] To Database[转成数据库] Model-wide Mapping[模型映射] Set default Schema[设置默认的Schema] Set Custom Convetions[自定义约定] Entity Mapping[实体映射] To Single or Multipl…

在上一篇中,讲述了用数据特性的方式来标识实体与数据表之间的映射关系,在Code First方法中,还可以通过Fluent API的方式来处理实体与数据表之间的映射关系. 要使用Fluent API必须在构造自定义的DbContext时,重写OnModelCreating方法,在此方法体内调用Fluent API. 如下面代码所示: publicclass BlogDbContext : DbContext {  public BlogDbContext() : base("name=BlogDB…

Create a web API with ASP.NET Core MVC and Visual Studio for Windows 在windows上用vs与asp.net core mvc 创建一个 web api 程序 2017-5-24 8 分钟阅读时长 本文内容 1.Overview 综述 2.Create the project 创建一个项目 3.Register the database context 注册db上下文 4.Add a controller 添加一个控制器 5.…

不得不说微软的技术迭代还是很快的,上了微软的船就得跟着她走下去,前文一起学ASP.NET Core 2.0学习笔记(一): CentOS下 .net core2 sdk nginx.supervisor.mysql环境搭建搭建好了.net core linux的相关环境,今天就来说说ef core相关的配置及迁移: 简介: Entity Framework(以下简称EF) 是微软以 ADO.NET 为基础所发展出来的对象关系对应 (O/R Mapping) 解决方案,EF Core是Entity…