如果你使用Nuget来管理依赖项，我还有另一种方法。我发现有时候VS和Nuget不匹配，Nuget无法识别你的项目不同步。的包。config会说一件事，但在References - Properties中显示的路径将指示其他内容。

如果你愿意更新你的依赖项，请执行以下操作:

From Solution Explorer, right click the Project and click 'Manage Nuget Packages' Select 'Installed packages' tab in left pane Record your installed packages You may want to copy your packages.config to your desktop first if you have a lot, so you can cross check it with Google to see what Nuget pkgs are installed Uninstall your packages. Its OK, we're going to add them right back. Immediately install the packages you need. What Nuget will do is not only get you the latest version, but will alter your references, and also add the binding redirects for you. Do this for all of your projects. At the solution level, do a Clean and Rebuild.

您可能希望从较低的项目开始，然后逐步到较高级别的项目，并在进行过程中重新构建每个项目。

如果你不想更新你的依赖项，那么你可以使用包管理器控制台，并使用语法update - package -ProjectName [yourProjectName] [packageName] -Version [versionNumber]

当我的项目引用NETStandardLibrary时，我遇到了这样的问题，其中一个引用的程序集发布了netcore。只要把它作为网络标准发布，问题就解决了

下面是解决方案，.NET Core 3.0风格: https://github.com/HTD/ref-check

当你发现哪些冲突时，也许你就能解决这些冲突。 如果冲突的引用来自其他包，那么您要么不走运，要么需要使用源。

在我的例子中，冲突的包通常是我自己的，所以我可以修复依赖关系问题并重新发布它们。

我只是有这个警告消息，清理解决方案和重新编译(构建->清洁解决方案)，它消失了。

在Mac Visual Studio上编辑.resx文件时似乎有一个问题。 我真的不知道发生了什么，但当我在Mac上编辑一些.resx文件时，我就遇到了这个问题。 我在Windows上打开项目，打开文件，它们就像没有被编辑过一样。 于是我编辑了它们，保存了下来，Mac上的一切也都恢复正常了。

I just spent sometime debugging the same issue. Note, that issue might not be between different projects, but actually between several references in one project that depend on different versions of the same dll/assembly. In my case, issue was reference FastMember.dll versions mismatch that comes from two different NuGet packages in a single project. When I was given a project, it would not compile because NuGet packages were missing and VS refused to restore missing packages. Through the NuGet menu, I manually update all the NuGets to the latest version, that is when the warning appeared.

在Visual Studio工具中>选项>构建和运行> msbuild项目构建输出详细信息:(设置为)诊断。在“输出”窗口中查找有冲突的行。下面是我得到的输出部分:

1>  There was a conflict between "FastMember, Version=1.5.0.0, Culture=neutral, PublicKeyToken=null" and "FastMember, Version=1.3.0.0, Culture=neutral, PublicKeyToken=null". (TaskId:19)
1>      "FastMember, Version=1.5.0.0, Culture=neutral, PublicKeyToken=null" was chosen because it was primary and "FastMember, Version=1.3.0.0, Culture=neutral, PublicKeyToken=null" was not. (TaskId:19)
1>      References which depend on "FastMember, Version=1.5.0.0, Culture=neutral, PublicKeyToken=null" [C:\Users\ksd3jvp\Source\Temp\AITool\Misra\AMSAITool\packages\FastMember.1.5.0\lib\net461\FastMember.dll]. (TaskId:19)
1>          C:\Users\ksd3jvp\Source\Temp\AITool\Misra\AMSAITool\packages\FastMember.1.5.0\lib\net461\FastMember.dll (TaskId:19)
1>            Project file item includes which caused reference "C:\Users\ksd3jvp\Source\Temp\AITool\Misra\AMSAITool\packages\FastMember.1.5.0\lib\net461\FastMember.dll". (TaskId:19)
1>              FastMember, Version=1.5.0.0, Culture=neutral, processorArchitecture=MSIL (TaskId:19)
1>      References which depend on "FastMember, Version=1.3.0.0, Culture=neutral, PublicKeyToken=null" []. (TaskId:19)
1>          C:\Users\ksd3jvp\Source\Temp\AITool\Misra\AMSAITool\packages\ClosedXML.0.94.2\lib\net46\ClosedXML.dll (TaskId:19)
1>            Project file item includes which caused reference "C:\Users\ksd3jvp\Source\Temp\AITool\Misra\AMSAITool\packages\ClosedXML.0.94.2\lib\net46\ClosedXML.dll". (TaskId:19)
1>              ClosedXML, Version=0.94.2.0, Culture=neutral, processorArchitecture=MSIL (TaskId:19)

注意，该项目文件项包括导致引用“C:\Users\ksd3jvp\Source\Temp\AITool\Misra\AMSAITool\packages\ClosedXML.0.94.2\lib\net46\ClosedXML.dll”

ClosedXML.dll来自ClosedXML NuGet，它依赖于FastMember.dll 1.3.0.0。在它之上，项目中还有FastMember Nuget，它有FastMember.dll 1.5.0.0。不匹配!

我已经卸载了ClosedXML和FastMember NuGets，因为我有绑定重定向，并安装了ClosedXML的最新版本，解决了这个问题!