术语“添加迁移”无法识别-VS2017和EntityFrameworkCore [英] The term 'Add-migration' is not recognized - VS2017 and EntityFrameworkCore
问题描述
我发布这个问题是为了以防我发现解决方案可以帮助其他人。每次在 Visual Studio 2017 rc4
中工作时,每次尝试在程序包管理器控制台中运行 Add-Migration
命令时,出现以下错误:
I am posting this question just in case the solution I found would help someone else out. While working in Visual Studio 2017 rc4
each time I tried to run the Add-Migration
command in the Package Manager console I get the following error:
术语添加迁移无法识别...
The term 'Add-migration' is not recognized...
推荐答案
在尝试了一系列其他解决方案后,对我有用的解决方案是:
The solution that worked for me after trying a whole raft of other solutions posted, was to:
- 右键单击我的项目
- 选择
管理Nuget软件包
- 选择浏览选项卡
- 浓密
包括预发行版本
复选框 - 安装
Microsoft.EntityFrameworkCore.Tools
- right click on my project
- select
Manage Nuget Packages
- select the browse tab
- thick
Include prerelease
check box - install the
Microsoft.EntityFrameworkCore.Tools
aspnetcore项目所在的Nb Visual Studio 2017似乎没有 project.json
文件。
N.b that aspnetcore project in visual studio 2017 do not seem to have the project.json
file.
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