add-migration 这个命令一般都不会有啥问题输入命令回车在输入迁移名称就ok remove-migration 这个也是如果想删除最后一次迁移 直接执行就好 update-database 第一步添加一个迁移文件成功后,可以用该命令直接更新到数据库,默认是所有迁移,如果想指定迁移直接加上迁移文件的名字就好了,如:update-database mig
Change your target project to the migrations project by using the Package Manager Console's Default project drop-down list, or by executing "dotnet ef" from the directory containing the migrations project. 你的目标项目“XXX”。模块名。Web“与您的迁移程序集不匹配”XXX。模块名'。要么更改目标项目,...
Using the tools Common parameters Add-Migration إظهار 11 إضافي The Package Manager Console (PMC) tools for Entity Framework Core perform design-time development tasks. For example, they create migrations, apply migrations, and generate code for a model based on ...
Specifies that the migration user code be overwritten when re-scaffolding an existing migration. -ProjectName <String> Specifies the project that contains the migration configuration type to be used. If ommitted, the default project selected in package manager console is used. -StartUpProjectName <S...
-ConnectionString 指定使⽤的连接字符串 -ConnectionProviderName 指定连接字符串的provider名称 8.Add-Migration 在Package Manager Console中执⾏Add-Migration搭建挂起的Model变化迁移脚本。执⾏get-help Add-Migration –detailed查看Add-Migration的详细⽤法。-Name 指定⾃定义脚本的名称 -Force -ProjectName ...
完成模型修改后,接下来需要在 Package Manager Console 中执行以下命令来创建迁移: Add-Migration RenameOldTableToNewTable 1. 这条命令的意义是告知 EF 生成一个新的迁移,名字为RenameOldTableToNewTable。在创建迁移后,会生成一个新的类文件,记录所有更改。
If theDbContextis in a different assembly than the startup project, you can explicitly specify the target and startup projects in either thePackage Manager Console toolsor the.NET Core CLI tools. Add a migration After your model has been changed, you can add a migration for that change: ...
我们现在有足够的信息来指示Entity Framework生成迁移,因此再次打开Package Manager Console,并输入命令“add-migration AddProductToBlogPost”。 此命令会使Visual Studio生成类似于以下内容的.cs文件: 要实际生成SQL脚本并更新数据库,请在Package Manager控制台中再次运行命令“update-database”。现在,要验证数据库是否正...
This issue has been moved from a ticket on Developer Community. After executing an EF Core command (e.g. Add-Migration), the Package Manager Console prompt never returns. My current workaround is to restart Visual Studio after every comm...
There are two ways to create a new migration: Open the Package Manager Console and run the “add-migration <Name>” command Open the .NET CLI and execute the “dotnet ef migrations add <MigrationName>” code. If a new migration is added, then you can see the output shown in the image...