我收到消息“找不到任务'build''".当我尝试启动我的C#代码时 [英] I get the message ''could not find the task 'build'" when I try to start my C# code

问题描述

我是C#的新手，正在学习使用复数视力

我完全遵循了教程的操作，但是遇到了一个教程没有解决的问题.

当您通过.Net制作C#代码时，我拥有一个简单的"Hello World"程序

在Visual Studio Code中，如果选择开始调试"或不进行调试开始"，则会弹出以下错误消息

''找不到任务'build'"

然后我仍然单击调试，然后出现以下错误

启动:程序目录\<insert-project-name-here> .dll不存在有一个选项可以打开launch.json

令人困惑的是，.dll文件确实存在...

进一步，检查launch.json，我有以下内容:

  {//使用IntelliSense了解可能的属性.//将鼠标悬停以查看现有属性的描述.//有关更多信息，请访问:https://go.microsoft.com/fwlink/?linkid=830387"version":"0.2.0"，配置":[{"name":".NET Core启动(控制台)"，"type":"coreclr"，"request":启动"，"WARNING01":"*****************************************************************************************，"WARNING02":"C#扩展名无法自动解码当前的项目"，"WARNING03":用于创建可运行的launch.json文件的工作区.launch.json文件具有模板，""WARNING04":已创建为占位符."，"WARNING05":"，"WARNING06":如果OmniSharp当前无法加载您的项目，则可以尝试解决"，"WARNING07":通过还原所有丢失的项目依赖项(例如:运行'dotnet restore')进行此操作"，"WARNING08":并且通过修复在工作区中构建项目所报告的任何错误."，"WARNING09":如果这允许OmniSharp现在加载您的项目，则-"，"WARNING10":"*删除此文件"，"WARNING11":"*打开"Visual Studio代码"命令面板(视图"->命令面板")，"WARNING12":"*运行命令:'.NET:生成用于构建和调试的资产'."，"WARNING13":"，"WARNING14":如果您的项目需要更复杂的启动配置，则不妨删除"，"WARNING15":此配置并使用'添加配置...'选择其他模板"，"WARNING16":此文件底部的按钮."，"WARNING17":"*****************************************************************************************，"preLaunchTask":"build"，程序":"$ {workspaceFolder}/bin/Debug/<在此处插入目标框架->/<在此处插入项目名称-> .dll，"args":["link"]，"cwd":"$ {workspaceFolder}"，"console":"internalConsole"，"stopAtEntry":否}，{"name":".NET Core Attach"，"type":"coreclr"，"request":"attach"，"processId":"$ {command:pickProcess}"}]} 

解决方案

简单方法

在VS Code中，加载代码库之后.调出

并确保您单击是

复杂的方式

您需要更改当前读取的 task.json 文件中的行:

 程序":"$ {workspaceFolder}/bin/Debug/< insert-target-framework-here>/< insert-project-name-here> .dll， 

在您的csproj中用目标框架绰号替换< insert-target-framework-here> ，这可能类似于以下内容:

 < TargetFramework> netcoreapp2.1</TargetFramework> 

您还需要用生成的DLL的名称替换< insert-project-name-here> .dll 字符串.

I am new to C# and am learning using pluralsight

I have followed exactly what the tutorials are doing but have ran into a problem that the tutorial does not.

I have the simple ''Hello World'' program built when you make C# code via .Net

In Visual Studio Code, if go with Start Debugging or Start Without Debugging, the following error pops up

''could not find the task 'build'"

I then click on debug anyway then the following error shows up

launch:program dir \ < insert-project-name-here >.dll does not exist there is an option to open launch.json

the confusing thing is, the .dll file DOES exist...

Further, checking launch.json, I have the following:

{
  // Use IntelliSense to learn about possible attributes.
  // Hover to view descriptions of existing attributes.
  // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
  "version": "0.2.0",
  "configurations": [
    {
      "name": ".NET Core Launch (console)",
      "type": "coreclr",
      "request": "launch",
      "WARNING01": "*********************************************************************************",
      "WARNING02": "The C# extension was unable to automatically decode projects in the current",
      "WARNING03": "workspace to create a runnable launch.json file. A template launch.json file has",
      "WARNING04": "been created as a placeholder.",
      "WARNING05": "",
      "WARNING06": "If OmniSharp is currently unable to load your project, you can attempt to resolve",
      "WARNING07": "this by restoring any missing project dependencies (example: run 'dotnet restore')",
      "WARNING08": "and by fixing any reported errors from building the projects in your workspace.",
      "WARNING09": "If this allows OmniSharp to now load your project then --",
      "WARNING10": "  * Delete this file",
      "WARNING11": "  * Open the Visual Studio Code command palette (View->Command Palette)",
      "WARNING12": "  * run the command: '.NET: Generate Assets for Build and Debug'.",
      "WARNING13": "",
      "WARNING14": "If your project requires a more complex launch configuration, you may wish to delete",
      "WARNING15": "this configuration and pick a different template using the 'Add Configuration...'",
      "WARNING16": "button at the bottom of this file.",
      "WARNING17": "*********************************************************************************",
      "preLaunchTask": "build",
      "program": "${workspaceFolder}/bin/Debug/<insert-target-framework-here>/<insert-project-name-here>.dll",
      "args": ["link"],
      "cwd": "${workspaceFolder}",
      "console": "internalConsole",
      "stopAtEntry": false
    },
    {
      "name": ".NET Core Attach",
      "type": "coreclr",
      "request": "attach",
      "processId": "${command:pickProcess}"
    }
  ]
}

解决方案

The easy way

In VS Code, after you've loaded the code base. Bring up the command pallet and enter > .NET Generate Assets for Build and Debug then hit return/enter.

This will force VS Code to recreate the launch.json and task.json files.

Keep an eye on the lower-left corner of the VS Code window for a toast message which looks like this:

and ensure that you click Yes

The complicated way

You need to alter the line in your task.json file which currently reads:

"program": "${workspaceFolder}/bin/Debug/<insert-target-framework-here>/<insert-project-name-here>.dll",

replacing <insert-target-framework-here> with the target framework moniker in your csproj, which might look like something similar to this:

<TargetFramework>netcoreapp2.1</TargetFramework>

You'll also need to replace the <insert-project-name-here>.dll string with the name of your produced DLL.

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