While building this open source C# project in AppVeyor, I get the error: CSC : error CS1617: Invalid option '10' for /langversion. Use '/langversion:?' to list supported values. See the build log...

I've successfully installed the latest .NET SDK, but Windows doesn't recognize it. This is manifested by one of the following failures: dotnet --list-sdks doesn't include the latest .NET SDK. Wind...

I've had a solution with a large number of projects in that has built fine since we switched to .NET6 then suddenly I am getting for every project this warning in Visual studio, however it does not...

I am in a slow process of moving to .NET5 but one of the steps before that was converting all our WinForms projects to NET-SDK Project format. This conversion has been completed, everything appears...

I follow these instructions to install dotnet on Ubuntu 20.04. Install the sdk Ubuntu 20.04 These instruction is at this time: wget https://packages.microsoft.com/config/ubuntu/20.04/packages-micro...

I am finding a problem with Newtonsoft.Json library throwing a System.IO.FileNotFoundException: Could not load file or assembly 'Newtonsoft.Json, Version=13.0.0.0, Culture=neutral, PublicKeyToken=3...

I am getting an issue with installing the .NET SDK, at first when I went into visual studio 2019 it said that I was missing the dotnet runtime sdk so I installed it like it asked and restarted my c...

I have an MVC 5 web project (referencing Microsoft.AspNet.Mvc (5.2.8) and Microsoft.AspNet.WebApi.WebHost (5.2.8)) and I would like to convert the project file to SDK style. I know this is not offi...

I recently installed Visual Studio 2022 preview. Today I was in a workshop and there was some feature that didn't work, and it turned out it was because I had the preview version of .NET 6 installe...

I am facing an issue with some sonarcloud warnings that will not be fixed in the nearest future (and should be disabled for now). The warnings are raised by sonarcloud during build on CI. There are...

I use Docker to build my .NET apps, using a base image provided by Microsoft (mcr.microsoft.com/dotnet/core/sdk:3.1). In addition to .NET Core SDK 3.1, I also need .NET Core SDK 2.2 inside the sam...

I have a dotnet SDK .sln (and a build.proj) with <TargetFrameworks>netcoreapp2.1;net461</TargetFrameworks>. It builds on Windows using Visual Studio and dotnet build, but I'd also like ...

I know Since the release of msbuild 15 (vs 2017) that NuGet is now fully integrated into MSBuild. I have a nuspec file with defining variables of package properties like: <metadata> <i...