c# - VS Code 2017 - C# 错误 - "Some projects have trouble loading. Please review the output for more detail"

Question

所以我已经根据 Internet 上的教程安装了 C# 扩展和 .Net 以及其他所有内容，我有一个工作区……并且还做了一些其他的事情，比如在终端中输入一些 dotnet 命令。一切正常，没有问题，但是每当我打开脚本/文件时......最初创建的那个 - Program.cs 包含默认的“Hello World!”程序...然后它会显示一条错误消息，指出无法加载项目。但是，当我在终端中编写 dotnet run 时，它的输出没有任何问题。

我在互联网上看到过很多这样的话题，但还没有对我有用。我只是不知道出了什么问题。所以这就是为什么我在这里问这个问题并将错误消息放在这里......这样我就可以知道我的情况出了什么问题。因为我是 VS Code 的新手......并且不知道到底出了什么问题。

这是显示在输出选项卡中的错误消息 -

Starting OmniSharp server at 13/7/2019, 3:46:46 PM
    Target: e:\CSharp Workspace

OmniSharp server started.
    Path: C:\Users\Arpit Srivastava\.vscode\extensions\ms-vscode.csharp-1.20.0\.omnisharp\1.32.20\OmniSharp.exe
    PID: 16516

[info]: OmniSharp.Stdio.Host
        Starting OmniSharp on Windows 6.2.9200.0 (x64)
[info]: OmniSharp.Services.DotNetCliService
        DotNetPath set to dotnet
[info]: OmniSharp.MSBuild.Discovery.MSBuildLocator
        Located 2 MSBuild instance(s)
            1: Visual Studio Community 2017 15.9.28307.222 - "C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\MSBuild\15.0\Bin"
            2: StandAlone 15.0 - "C:\Users\Arpit Srivastava\.vscode\extensions\ms-vscode.csharp-1.20.0\.omnisharp\1.32.20\.msbuild\Current\Bin"
[info]: OmniSharp.MSBuild.Discovery.MSBuildLocator
        Registered MSBuild instance: Visual Studio Community 2017 15.9.28307.222 - "C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\MSBuild\15.0\Bin"
[info]: OmniSharp.Cake.CakeProjectSystem
        Detecting Cake files in 'e:\CSharp Workspace'.
[info]: OmniSharp.Cake.CakeProjectSystem
        Could not find any Cake files
[info]: OmniSharp.WorkspaceInitializer
        Project system 'OmniSharp.DotNet.DotNetProjectSystem' is disabled in the configuration.
[info]: OmniSharp.MSBuild.ProjectSystem
        No solution files found in 'e:\CSharp Workspace'
[info]: OmniSharp.MSBuild.ProjectManager
        Queue project update for 'e:\CSharp Workspace\CSharp Workspace.csproj'
[info]: OmniSharp.Script.ScriptProjectSystem
        Detecting CSX files in 'e:\CSharp Workspace'.
[info]: OmniSharp.Script.ScriptProjectSystem
        Could not find any CSX files
[info]: OmniSharp.WorkspaceInitializer
        Invoking Workspace Options Provider: OmniSharp.Roslyn.CSharp.Services.CSharpWorkspaceOptionsProvider
[info]: OmniSharp.MSBuild.ProjectManager
        Loading project: e:\CSharp Workspace\CSharp Workspace.csproj
[info]: OmniSharp.WorkspaceInitializer
        Configuration finished.
[info]: OmniSharp.Stdio.Host
        Omnisharp server running using Stdio at location 'e:\CSharp Workspace' on host 7936.
[warn]: OmniSharp.MSBuild.ProjectManager
        Failed to load project file 'e:\CSharp Workspace\CSharp Workspace.csproj'.
e:\CSharp Workspace\CSharp Workspace.csproj(1,1)
Microsoft.Build.Exceptions.InvalidProjectFileException: The SDK 'Microsoft.NET.Sdk' specified could not be found.  e:\CSharp Workspace\CSharp Workspace.csproj
   at Microsoft.Build.Shared.ProjectErrorUtilities.ThrowInvalidProject(String errorSubCategoryResourceName, IElementLocation elementLocation, String resourceName, Object[] args)
   at Microsoft.Build.Evaluation.Evaluator`4.ExpandAndLoadImportsFromUnescapedImportExpressionConditioned(String directoryOfImportingFile, ProjectImportElement importElement, List`1& projects, SdkResult& sdkResult, Boolean throwOnFileNotExistsError)
   at Microsoft.Build.Evaluation.Evaluator`4.ExpandAndLoadImports(String directoryOfImportingFile, ProjectImportElement importElement, SdkResult& sdkResult)
   at Microsoft.Build.Evaluation.Evaluator`4.EvaluateImportElement(String directoryOfImportingFile, ProjectImportElement importElement)
   at Microsoft.Build.Evaluation.Evaluator`4.PerformDepthFirstPass(ProjectRootElement currentProjectOrImport)
   at Microsoft.Build.Evaluation.Evaluator`4.Evaluate(ILoggingService loggingService, BuildEventContext buildEventContext)
   at Microsoft.Build.Evaluation.Project.Reevaluate(ILoggingService loggingServiceForEvaluation, ProjectLoadSettings loadSettings, EvaluationContext evaluationContext)
   at Microsoft.Build.Evaluation.Project.ReevaluateIfNecessary(ILoggingService loggingServiceForEvaluation, ProjectLoadSettings loadSettings, EvaluationContext evaluationContext)
   at Microsoft.Build.Evaluation.Project.Initialize(IDictionary`2 globalProperties, String toolsVersion, String subToolsetVersion, ProjectLoadSettings loadSettings, EvaluationContext evaluationContext)
   at Microsoft.Build.Evaluation.Project..ctor(String projectFile, IDictionary`2 globalProperties, String toolsVersion, String subToolsetVersion, ProjectCollection projectCollection, ProjectLoadSettings loadSettings, EvaluationContext evaluationContext)
   at Microsoft.Build.Evaluation.ProjectCollection.LoadProject(String fileName, IDictionary`2 globalProperties, String toolsVersion)
   at OmniSharp.MSBuild.ProjectLoader.EvaluateProjectFileCore(String filePath) in D:\a\1\s\src\OmniSharp.MSBuild\ProjectLoader.cs:line 129
   at OmniSharp.MSBuild.ProjectLoader.BuildProject(String filePath) in D:\a\1\s\src\OmniSharp.MSBuild\ProjectLoader.cs:line 72
   at OmniSharp.MSBuild.ProjectFile.ProjectFileInfo.Load(String filePath, ProjectIdInfo projectIdInfo, ProjectLoader loader) in D:\a\1\s\src\OmniSharp.MSBuild\ProjectFile\ProjectFileInfo.cs:line 94
   at OmniSharp.MSBuild.ProjectManager.LoadOrReloadProject(String projectFilePath, Func`1 loader) in D:\a\1\s\src\OmniSharp.MSBuild\ProjectManager.cs:line 304

[fail]: OmniSharp.MSBuild.ProjectManager
        Attempted to update project that is not loaded: e:\CSharp Workspace\CSharp Workspace.csproj

相反，如果我尝试运行该程序，那么我会在输出中得到这个 -

scriptcs' is not recognized as an internal or external command,
operable program or batch file.

Answer 1

修复此设置 omnisharp.path在 vs 代码设置中为 latest .

转到设置 -> 搜索 omnisharp.path -> 点击 edit in settings.json

在 settings.json 中，一直向下滚动到最后一个设置添加一个逗号然后 "omnisharp.path": "latest" -> 保存文件并重新启动 vs 代码以安装最新的 omnisharp(带有修复程序)。