我正在尝试使用Microsoft SQL Server数据库和Entity Framework Core创建应用程序。
I am trying to create an application using Microsoft SQL Server database using Entity Framework Core.
这是我到目前为止所做的事情
This is what I have done so far
步骤1:从Nuget软件包管理器中,我已经安装: Install-Package Microsoft.EntityFrameworkCore.SqlServer
Step 1: From Nuget Package manager I have installed: Install-Package Microsoft.EntityFrameworkCore.SqlServer
步骤2:从Nuget软件包管理器中,我已经安装(对于Entity Framework命令): Install-Package Microsoft.EntityFrameworkCore.Tools –Pre
Step 2: From Nuget Package manager I have installed (for Entity Framework commands) : Install-Package Microsoft.EntityFrameworkCore.Tools –Pre
我的 project.json 看上去如下
{ "version": "1.0.0-*", "buildOptions": { "emitEntryPoint": true }, "dependencies": { "Microsoft.EntityFrameworkCore.SqlServer": "1.0.1", "Microsoft.EntityFrameworkCore.Tools": "1.0.0-preview3-final", "Microsoft.NETCore.App": { "type": "platform", "version": "1.0.0" } }, "frameworks": { "netcoreapp1.0": { "imports": "dnxcore50" } } }但是会引发错误
a)无法解决依赖项Microsoft.EntityFrameworkCore.SqlServer> = 1.0.1。 b)无法解决依赖项Microsoft.EntityFrameworkCore.Tools> = 1.0.0-preview3-final。
屏幕截图
我正在使用
- VS 2015 Update 3
- 不是网络框架4.6.1
为什么会引发错误,我该如何解决?
Why it is throwing the error and how can i fix it?
推荐答案我认为是因为您缺少Microsoft.EntityFrameworkCore,请尝试以下操作:
I think is because you are missing Microsoft.EntityFrameworkCore, try this:
"dependencies": { "Microsoft.NETCore.App": { "version": "1.0.0", "type": "platform" }, "Microsoft.EntityFrameworkCore": "1.0.1", "Microsoft.EntityFrameworkCore.SqlServer": "1.0.1", "Microsoft.EntityFrameworkCore.Tools": "1.0.0-preview3-final" }您无需使用Nuget还原软件包,所做的更改
You won't need to restore the packages using Nuget, the changes in project.json should automatically restore those packages.
上面的内容对我有用,如果不适合您,也许还有其他事情,请告诉我。
The above works for me, if it doesn't for you maybe there's something else, let me know.
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如何解决对Microsoft.EntityFrameworkCore.SqlServer和Microsoft.EntityFrameworkCore.Tools
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