下面做一个例子,Category是用户新建的一个实体类,然后添加一个字段,然后让数据库中的Category表也添加一个字段

1.Category.cs

aaarticlea/png;base64,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" alt="" />

using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.Linq;
using System.Text; namespace BlogAppDAL.Entities
{
public class Category
{
public int Id { get; set; }
[Required]
[StringLength()]
public string CategoryName { get; set; } //public DateTime CreateDate { get; set; }
public virtual ICollection<Blog> Blogs { get; set; }
public Category()
{
Blogs = new HashSet<Blog>();
}
}
}

开始了添加一个字段,代码如下:

using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.Linq;
using System.Text; namespace BlogAppDAL.Entities
{
public class Category
{
public int Id { get; set; }
[Required]
[StringLength()]
public string CategoryName { get; set; } public DateTime CreateDate { get; set; }
public virtual ICollection<Blog> Blogs { get; set; }
public Category()
{
Blogs = new HashSet<Blog>();
}
}
}

在上下文当中写入下面的代码:

aaarticlea/png;base64,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" alt="" />

代码如下:

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Data.Entity;
using BlogAppDAL.Entities;
using System.Data.Entity.ModelConfiguration.Conventions;
using System.Data.Entity.Migrations;
using System.Data.Entity.Infrastructure; namespace BlogAppDAL
{
public class BlogAppContext : DbContext
{
public BlogAppContext()
: base("name=BlogAppConn")
{
//自动创建表,如果Entity有改到就更新到表结构
Database.SetInitializer<BlogAppContext>(new MigrateDatabaseToLatestVersion<BlogAppContext, ReportingDbMigrationsConfiguration>());
}
protected override void OnModelCreating(DbModelBuilder modelBuilder)
{
modelBuilder.Conventions.Remove<PluralizingTableNameConvention>(); //表名为类名,不是带s的表名 //移除复数表名的契约
} internal sealed class ReportingDbMigrationsConfiguration : DbMigrationsConfiguration<BlogAppContext>
{
public ReportingDbMigrationsConfiguration()
{
AutomaticMigrationsEnabled = true;//任何Model Class的修改將會直接更新DB
AutomaticMigrationDataLossAllowed = true;
}
} public virtual DbSet<Blog> Blogs { get; set; }
public virtual DbSet<Category> Categories { get; set; }
public virtual DbSet<Comment> Comments { get; set; }
public virtual DbSet<Role> Roles { get; set; }
public virtual DbSet<User> Users { get; set; }
}
}

然后运行下程序就更新了数据库中的表了。而且连Migrations文件夹都不需要了

MVC Code First 当实体类发生变化时,如何自动更新数据库表的更多相关文章

  1. SpringData JPA 在解析实体类字段时驼峰自动添加下划线问题

    参考地址:https://my.oschina.net/javamaster/blog/2246886 SpringData JPA 使用的默认命名策略是: ImprovedNamingStrateg ...

  2. MVC -- 后台RedirectToAction传递实体类与字符串

    1.MVC -- 后台RedirectToAction传递实体类 RedirectToAction(控制器,控制器方法,实体类) 2.MVC -- 后台RedirectToAction传递字符串 Re ...

  3. 关于解决SpringDataJpa框架实体类表字段创建顺序与数据库表字段展示顺序不一致的问题

    今天在公司的项目开发中,遇到一个问题: 后端对象实体类中写入字段顺序与数据库中的存储顺序不一致. 仔细观察到数据库中的表字段的排序方式是按照拼音字母的顺序abcdef......来存储的 而我的实体类 ...

  4. 通用maper无法获取实体类com.qmtt.model.PhWxUser对应的表名问题

    spring boot在采用了热加载后,可能会出现“无法获取实体类com.qmtt.model.PhWxUser对应的表名!”的异常, 解决办法 在resources新建一个文件夹META-INF,新 ...

  5. Code First 下自动更新数据库结构(Automatic Migrations)

    示例 Web.config <?xml version="1.0" encoding="utf-8"?> <configuration> ...

  6. hibernate映射实体类查询时数据库空字段赋值给实体类报错的问题

    因为一直报实体类空异常,去网上查了资料只查到了并没有查到数据库空值时不给实体类赋值的属性 异常 org.hibernate.InvalidMappingException: Could not par ...

  7. PDM->OOM->C#实体类生成时,对Blob类型字段的处理

    pdm中的Blob字段生成OOM时,自动变成了string类型,再生成实体类时也是string 如何将oom中对应的blob字段设置为Byte[]类型,目前没找到方法, 只能通过脚本,将生成后的OOM ...

  8. MVC过滤器中获取实体类属性值

    本文地址:http://www.cnblogs.com/outtamyhead/p/3616913.html,转载请保留本地址! 最近在项目遇到了这个问题:获取Action行参中实体类的属性值,主要的 ...

  9. MyEclipse从数据库反向生成实体类通过Hibernate的方式----mysql数据库实例

    1.我们通过DB与数据库建立连接 2.建立web工程,构建Hibernate框架 3.通过table生成实体类

随机推荐

  1. React.js 官网入门教程 分离文件 操作无法正常显示HelloWord

    对着React官网的教程练习操作,在做到分离文件练习时,按照官网步骤来却怎么也无法正常显示HelloWord. 经测试,html文件中内容改为: <!DOCTYPE html><ht ...

  2. Linux工具入门:make工具与Makefile文件

    1. make工具 利用make工具可以自动完成编译工作,这些工作包括: 如果修改了某几个源文件,则只重新编译这几个源文件 如果某个头文件被修改了,则重新编译所有包含该头文件的源文件 利用这种自动编译 ...

  3. iOS - 跳到系统App内部设置

    从App中跳转到手机设置中此App内的设置授权界面: NSURL *url = [NSURL URLWithString:UIApplicationOpenSettingsURLString]; if ...

  4. Lazy Load, 延迟加载图片的 jQuery 插件.

    Lazy Load 是一个用 JavaScript 编写的 jQuery 插件. 它可以延迟加载长页面中的图片. 在浏览器可视区域外的图片不会被载入, 直到用户将页面滚动到它们所在的位置. 这与图片预 ...

  5. php 远程图片本地化

    /** * 把新浪的远程图片下载到自己服务器上 * * @access public * @param goods_desc $goods_desc 要处理的内容 * @return mix 如果成功 ...

  6. ASP.NET Forms 身份验证

    ASP.NET Forms 身份验证 在开发过程中,我们需要做的事情包括: 1. 在 web.config 中设置 Forms 身份验证相关参数.2. 创建登录页. 登录页中的操作包括: 1. 验证用 ...

  7. SharePoint Online 申请试用链接地址

    SharePoint Online 申请试用链接地址: https://products.office.com/en-us/business/compare-office-365-for-busine ...

  8. Struts2之HelloWorld

    首先既然是开发Struts程序的话,那么自然需要用到Struts2开发包,Struts2是apache旗下的开源框架,所有的开发包和源代码都可以在Apache官网下载. 那么,就来开始编写第一个Str ...

  9. Adapt适配器

    为接口提供所有的空实现,让使用者仅仅覆盖需要的部分: 本思想肯定有问题,慢慢考究 frame.addWindowListener(new WindowAdapter() { @Override pub ...

  10. 决策树及R语言实现

    决策树是什么 决策树是基于树结构来进行决策,这恰是人类在面临决策问题时一种很自然的处理机制.例如,我们要对"这是好瓜吗?"这样的问题进行决策时,通常会进行一系列的判断或" ...