缺少NuGet包

我研究了这个问题，但没有一个解决办法有效。我安装了Visual Studio Professional 2015，我正在使用TFS。我的NuGet版本是3.1.6。这个问题只发生在我的c# Web API/MVC项目中。

我得到以下错误:

这个项目引用了NuGet包(s)，这是缺失的电脑。使用NuGet包还原来下载它们。更多的信息，见http://go.microsoft.com/fwlink/?LinkID=322105。的丢失的文件是 . . \ \ Microsoft.Net.Compilers.1.0.0 \制造\ Microsoft.Net.Compilers.props包

I do not have .nuget folder in my solutions. I have a packages folder in the solution and when I delete it, it seems like NuGet does rebuild the dependencies but the project still has the above error. I tried removing the project from TFS and it didn't fix it. Along with the above error, all the references in the project have yellow warning signs and say they are missing. When I checked the NuGet Package Manager for the project, everything that is "missing" has a green tick next to it, including Microsoft.Net.Compilers. I tried adding a new Web API/MVC project and it faced a similar problem where most references such as Owin were "missing" with the yellow warning sign.

当前回答

我正在使用VS2012，遇到同样的错误。我从.csproj文件中删除了下面的Target标记，它开始编译，没有出现任何错误。

<Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
  -- Error messages within Target Tag
</Target>

2016-01-24 18:30:24

其他回答

我的工作时，我复制包文件夹解决方案文件和项目文件夹。我只是没有复制包文件夹从以前的地方。

2016-10-11 14:41:36

我知道这个问题很老了，但是我今天遇到了同样的情况，我想为最近发现这个问题的人提供我的2美分。我手动移动到解决方案中的一个子文件夹，然后使用Visual Studio 2017删除并读取到解决方案的一个ASP MVC项目给出了上述错误。移动“lib”和“packages”文件夹到同一子文件夹的根MVC项目修复了我的问题。

2018-12-13 03:43:45

Not sure if this will help anyone, but I had this issue come up when I deleted the source code from my local machine without having ever saved the solution file to TFS. (During initial development, I was right-clicking and checking in the project in Solution Explorer, but forgot to ever check in the solution itself.) When I needed to work on this again, all I had in TFS was the .csproj file, no .sln file. So in VS I did a File --> Source Control --> Advanced -- Open from Server and opened the .csproj file. From there I did a Save All and it asked me where I wanted to save the .sln file. I was saving this .sln file to the project directory with the other folders (App_Data, App_Start, etc.), not the top level directory. I finally figured out that I need to save the .sln file up a directory from the project folder so it's on the same level as the project folder. All my paths resolved and I was able to build it again.

2018-05-03 18:02:49

提比柳是正确的。我不得不编辑我的.csproj文件，因为文件被移动了，导致了这个问题

 <Import Project="..\..\packages\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.1.0.1\build\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.props" Condition="Exists('..\..\packages\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.1.0.1\build\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.props')" />

我改变了文件的顶部和底部

<Error Condition="!Exists('..\..\packages\Microsoft.Net.Compilers.1.0.0\build\Microsoft.Net.Compilers.props')" Text="$([System.String]::Format('$(ErrorText)', '..\..\packages\Microsoft.Net.Compilers.1.0.0\build\Microsoft.Net.Compilers.props'))" />
<Error Condition="!Exists('..\..\packages\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.1.0.1\build\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.props')" Text="$([System.String]::Format('$(ErrorText)', '..\..\packages\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.1.0.1\build\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.props'))" />

2015-10-07 00:41:17

这两个答案的组合对我来说是有效的。首先，我修改了.csproj文件以删除对1.0.0版本的引用

< Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild" >

  ----Error---

< /Target>

然后真的

Update-Package -Reinstall

它成功了。

2016-04-27 16:20:45

缺少NuGet包

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