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Official C# support for Visual Studio Code

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**[ @maddymontaquila](https://github.com/maddymontaquila)** cloned issue [microsoft/vscode-dotnettools#2078](https://github.com/microsoft/vscode-dotnettools/issues/2078) on 2025-06-10: > ### Describe the Issue > > > > The lambda is showing up as red with an underline, but it is working...

Razor
untriaged
area-razor

## Issue Description Modify dotnet.backgroundAnalysis.compilerDiagnosticsScope to "fullSolution", but only show openFiles project state "dotnet.server.useOmnisharp": false, ![Image](https://github.com/user-attachments/assets/32399940-2d32-4687-81d8-4eef4c92309e) "dotnet.server.useOmnisharp": true, ![Image](https://github.com/user-attachments/assets/5a461c7b-7584-4a2d-8527-76625c318a90) ## Environment data `dotnet --info` output: [dotnet info.txt](https://github.com/user-attachments/files/20653161/dotnet.info.txt) VS Code version:...

Bug
Editor-Diagnostics
untriaged

Type: Bug ## Issue Description ## When VS Code is launched from git command line as merge tool, the following toast error displays: `Request textDocument/documentSymbol failed. Message: Value cannot be...

Bug

The 2.72.x version does not parse the syntax of the razor file in the blazor server project, the earlier version does

Razor

Type: Bug ## Issue Description If you specify multiple spaces in a row in the value of a string variable and apply code formatting, the double spaces will be replaced...

Razor
untriaged

The extension refuses to work offline. Even after an online session that's supposed to download/install/update everything, [like described in the wiki](https://github.com/dotnet/vscode-csharp/wiki/Installing-the-C%23-extension-to-a-computer-without-internet-connectivity/48bb76a6863fe6d2750ca427daa7aeabdccace10). This is really frustrating, I was hoping to work...

untriaged

When developing Blazor projects in Visual Studio Code, accepting auto-import suggestions (such as adding using statements) results in the using directives being inserted at incorrect positions within the file—often in...

Razor
untriaged

## Environment data `dotnet --info` output: .NET SDK: Version: 9.0.202 Commit: 3a53853c30 Workload version: 9.0.200-manifests.21502d11 MSBuild version: 17.13.13+1c2026462 运行时环境: OS Name: Windows OS Version: 10.0.19045 OS Platform: Windows RID: win-x64...

OmniSharp
Needs More Info

## Issue Description ## On a remote WSL configuration, I try to run from VSCode a profile defined in /.vscode/launch.json The parameter "env" seems ignored ```json { "name": "C#: My...

Debugger
Question

1. New Blazor web site 2. Any .razor page/component 3. Add @code {} block 4. Type in ``` @code { override OnA } ``` 5. Try to complete OnAfterRender (any...

Razor