CODEWITHSUNDEEP
c#.netvisual-studio-codeconsole-application
Bill Kindig
Bill Kindig

Reputation: 3632

Errors in .NET 6 Hello World console application

After following the steps from Microsoft for setting up a new Console Application in .NET 6.0, I immediately get syntax errors from Intellisense. However, when I do dotnet run, the program runs as expected. weird

namespace HelloWorld
{
    class Program
    {
        static void Main(string[] args)
        {
            Console.WriteLine("Hello World!");
        }
    }
}

Here's a screenshot of the folder, sample code and terminal

enter image description here

.NET SDKs installed

HelloWorld.csproj

<Project Sdk="Microsoft.NET.Sdk">
  <PropertyGroup>
    <OutputType>Exe</OutputType>
    <TargetFramework>net6.0</TargetFramework>
    <ImplicitUsings>enable</ImplicitUsings>
    <Nullable>enable</Nullable>
  </PropertyGroup>
</Project>

Relevant VS Code Extensions:

  1. C# v1.24.0

Upvotes: 1

Views: 1030

Answers (2)

david marcus
david marcus

Reputation: 183

Deleting .vs worked for me.

Problem seemed to start after an MS Windows (10 pro) update.

Problem also accompanied by a VS 2022 (17.2.6) recoverable exception when trying to display a project properties (see below).

For all its worth, when rebuilding all projects in the solution (12 of them) compile with no errors and the code runs just fine - yet the editor shows tons of errors (but not in all files or projects - weird).

Call stack for the exception:

===================== 7/20/2022 11:31:27 AM Recoverable Microsoft.VisualStudio.ProjectSystem.Query.QueryExecutionException: Object reference not set to an instance of an object. ---> System.NullReferenceException: Object reference not set to an instance of an object. at Microsoft.VisualStudio.LanguageServices.CSharp.ProjectSystemShim.EntryPointFinder.FindEntryPoints(INamespaceSymbol symbol) at Microsoft.VisualStudio.ProjectSystem.Properties.StartupObjectsEnumGenerator.d__8.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at Microsoft.VisualStudio.ProjectSystem.PropertyPages.PageDynamicEnumProperty.d__6.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at Microsoft.VisualStudio.ProjectSystem.VS.Query.SupportedValueDataProducer.d__1.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at Microsoft.VisualStudio.ProjectSystem.VS.Query.QueryDataFromProviderStateProducerBase1.<SendRequestAsync>d__0.MoveNext() --- End of inner exception stack trace --- at Microsoft.VisualStudio.ProjectSystem.Query.QueryExecution.QuerySubscription1.d__9.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at Microsoft.VisualStudio.ProjectSystem.Query.QueryExecution.QuerySubscription1.<>c__DisplayClass8_0.<<Start>b__0>d.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at Microsoft.VisualStudio.ProjectSystem.VS.Implementation.PropertyPages.Designer.ProjectPropertyDataAccess.Observer.<InitializeAsync>d__10.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at System.Runtime.CompilerServices.TaskAwaiter1.GetResult() at Microsoft.VisualStudio.ProjectSystem.VS.Implementation.PropertyPages.Designer.ProjectPropertyDataAccess.Observer.d__9.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at Microsoft.VisualStudio.ProjectSystem.VS.Implementation.PropertyPages.Designer.ProjectPropertiesEditor.<>c__DisplayClass0_0.<<-ctor>b__0>d.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at Microsoft.VisualStudio.ProjectSystem.VS.Implementation.PropertyPages.Designer.AsyncLoadContent.<>c__DisplayClass0_0.<b__0>d.MoveNext()

Upvotes: -1

Penihel Roosewelt
Penihel Roosewelt

Reputation: 21

For me, worked when i deleted the ".vs" hidden folder. this folder was in the same location of ".sln" file

Upvotes: 2

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