Question 86888 in ASP.NET Question posted in
The official documentation can be found here.

How do I update other Microsoft libraries after updating to .Net Core 3.1 – Asp.net

I have a web app solution that is quite old where the main project is Asp.Net 4.6 and a small companion project is .Net Core 2.

I want to first upgrade them both to .Net Core 3.1, and then upgrade to .Net 7 later this year.

According to the Microsoft documentation I have to update the target framework and associated libraries.

So I updated this part in my project file:

<TargetFramework>netcoreapp3.1</TargetFramework>

However, the other referenced libraries don’t seem to have 3.1 updates. How would I upgrade these?

<PackageReference Include="Microsoft.AspNetCore.Server.Kestrel" Version="2.0.2" />
<PackageReference Include="Microsoft.AspNetCore.SpaServices" Version="2.0.3" />
<PackageReference Include="Microsoft.VisualStudio.Web.CodeGeneration.Design" Version="2.0.4" />
<PackageReference Include="Microsoft.AspNetCore.Server.IISIntegration" Version="2.0.2" />
<PackageReference Include="Microsoft.AspNetCore.StaticFiles" Version="2.0.2" />
<PackageReference Include="Microsoft.Extensions.Configuration.FileExtensions" Version="2.0.1" />
<PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="2.0.1" />
<PackageReference Include="Microsoft.AspNetCore.Mvc" Version="2.0.3" />
<PackageReference Include="System.Net.Http" Version="4.3.4" />
<PackageReference Include="System.ServiceModel.Duplex" Version="4.3.0" />
<PackageReference Include="System.ServiceModel.Security" Version="4.3.0" />

Thanks!

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2

Answers


  1. 0

    For microsoft .net core packages,I think you could search in the document and found the correspond packages.
    https://learn.microsoft.com/en-us/dotnet/api/microsoft.aspnetcore?view=aspnetcore-2.2

    example1:

    enter image description here

    enter image description here

    example2:
    enter image description here
    enter image description here

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  2. 0

    When Microsoft introduced .NET Core 3.0, they stopped producing a large number of NuGet packages (If you’re interested, you can see the list here).

    Microsoft made them part of the shared framework Microsoft.AspNetCore.App that is implicitly referenced if your .csproj targets Microsoft.NET.Sdk.Web SDK. You can check this in your .csproj project.

    <Project Sdk="Microsoft.NET.Sdk.Web">
  ...
</Project>

    If your project targets Microsoft.NET.Sdk, then you might have to add a FrameworkReference, as explained here.

    Assuming the latter is not your case, removing the references to those NuGet packages should be fine.

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