我升级到VS2017 15.3.3
,但仍在使用code first
方法处理ASP.NET MVC Core 1.1.1
项目。以下来自官方ASP.NET团队this tutorial时(也就是更适合于ASP.NET核2.0),当我跑我正在兼容性错误(v2.0 vs v1.1
)以下Package Manager
命令(从教程):无法在asp.net核心1.1.1上加载文件或程序集“Microsoft.EntityFrameworkCore.SqlServer,Version = 1.1.2.0错误
Install-Package Microsoft.EntityFrameworkCore.SqlServer
所以,我决定-version 1.1.1
作为参数添加到上面的命令如下所示,运行成功:
Install-Package Microsoft.EntityFrameworkCore.SqlServer -version 1.1.1
我做了其他两个相关PM
命令一样在上面提到的教程,一切都运行得很好。但是现在,当我运行下面的命令PM我收到以下错误:
PM> add-migration MyFirstMigration -context BloggingContext
错误
Could not load file or assembly 'Microsoft.EntityFrameworkCore.SqlServer, Version=1.1.2.0
的.csproj文件
<Project Sdk="Microsoft.NET.Sdk.Web">
<PropertyGroup>
<TargetFramework>netcoreapp1.1</TargetFramework>
<PackageTargetFallback>$(PackageTargetFallback);portable-net45+win8+wp8+wpa81;</PackageTargetFallback>
<UserSecretsId>aspnet-MVC_IndvUserAccts_Test-B2520DA6-BE8D-42EE-806D-366F7C4C2E77</UserSecretsId>
</PropertyGroup>
<ItemGroup>
<PackageReference Include="Microsoft.ApplicationInsights.AspNetCore" Version="2.0.0" />
<PackageReference Include="Microsoft.AspNetCore" Version="1.1.2" />
<PackageReference Include="Microsoft.AspNetCore.Authentication.Cookies" Version="1.1.2" />
<PackageReference Include="Microsoft.AspNetCore.Diagnostics.EntityFrameworkCore" Version="1.1.2" />
<PackageReference Include="Microsoft.AspNetCore.Identity.EntityFrameworkCore" Version="1.1.2" />
<PackageReference Include="Microsoft.AspNetCore.Mvc" Version="1.1.3" />
<PackageReference Include="Microsoft.AspNetCore.StaticFiles" Version="1.1.2" />
<PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="1.1.2" PrivateAssets="All" />
<PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="1.1.1" />
<PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer.Design" Version="1.1.2" PrivateAssets="All" />
<PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="1.1.1" PrivateAssets="All" />
<PackageReference Include="Microsoft.Extensions.Configuration.UserSecrets" Version="1.1.2" />
<PackageReference Include="Microsoft.Extensions.Logging.Debug" Version="1.1.2" />
<PackageReference Include="Microsoft.VisualStudio.Web.CodeGeneration.Design" Version="1.1.1" PrivateAssets="All" />
<PackageReference Include="Microsoft.VisualStudio.Web.BrowserLink" Version="1.1.2" />
</ItemGroup>
<ItemGroup>
<DotNetCliToolReference Include="Microsoft.EntityFrameworkCore.Tools.DotNet" Version="1.0.1" />
<DotNetCliToolReference Include="Microsoft.Extensions.SecretManager.Tools" Version="1.0.1" />
<DotNetCliToolReference Include="Microsoft.VisualStudio.Web.CodeGeneration.Tools" Version="1.0.1" />
</ItemGroup>
</Project>
你可以在你的csproj中发布所有的程序集引用吗? – mvermef
@mvermef当然。根据您的要求,我只是添加了'.csproj'文件内容。 – nam
运行'add-migration somemigrationname -Context BloggingContext'得到那个错误?您指出的添加迁移实际上会出错。 install-package Microsoft.EntityFrameworkCore.SqlServer -Version 1.1.2应该是正确的。 BloggingContext是唯一一个吗? – mvermef