Failure to Install Microsoft.AspNetCore.AppRef

Question

When I tried installing Microsoft.AspNetCore.AppRef in my webapplication in .net core 3.1.

However, I get this error instead:

Package 'Microsoft.AspNetCore.App.Ref 3.1.3' has a package type 'DotnetPlatform' that is not supported by project 'xxxxxx'.             
NU1213 The package Microsoft.AspNetCore.App.Ref 3.1.3 has a package type DotnetPlatform that is incompatible with this project.

Any ideas how to fix?

This issue has been asked before on Github

Matt Ghafouri
– Matt Ghafouri

2021-12-31 09:31:48 +00:00
Commented Dec 31, 2021 at 9:31 — Matt Ghafouri
– Matt Ghafouri, Commented Dec 31, 2021 at 9:31

Stephen Kennedy · Accepted Answer · 2024-04-15 15:29:49Z

21

+50

According to Microsoft Learn, the correct way to reference the ASP.NET Core application assemblies from .NET Core 3.0 on is by adding a FrameworkReference, e.g.

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

  ......

  <ItemGroup>
    <FrameworkReference Include="Microsoft.AspNetCore.App" />
  </ItemGroup>

</Project>

edited Apr 15, 2024 at 15:29

Stephen Kennedy

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answered Oct 10, 2023 at 11:56

poizan42

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1 Comment

epak96 Over a year ago

For those unsure of how to edit your project file, right click on your solution in Visual Studio, and select "Edit Project File". You will then see the pace where you can add the FrameworkReference.

KyleMit · Accepted Answer · 2022-02-21 19:14:46Z

9

Acording to the package description on nuget:

This package is an internal implementation of the .NET Core SDK and is not meant to be used as a normal PackageReference.

edited Feb 21, 2022 at 19:14

KyleMit♦

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answered Sep 13, 2020 at 18:35

Eugene Ogongo

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3 Comments

dmitry_bond Over a year ago

But how to add reference to that project then??! I need to move one some code from Asp.Net Core app into class library - HOW CAN I DO THAT if it is impossible to create class library and add to it the same packages as specified in main Asp.Net Core app?! So, test case is simple: (1) in VS 2002 create new Asp.Net Core app (it suggest to use .NET 7.0), (2) write some middlewares there, (3) try to move out these middlewares into class library... THAT LOOKS IMPOSSIBLE with VS 2002 GUI!

Liero Over a year ago

Add a framework reference instead package reference, see this answers stackoverflow.com/a/63874260/475727

Jérôme MEVEL Over a year ago

@dmitry_bond follow this answer

Unseen · Accepted Answer · 2024-03-17 09:37:25Z

-1

Just add this to your shared controller project csproj:

<PackageReference Include="Microsoft.AspNetCore.Http" Version="2.2.2" />

Have fun.

This package deprecated because .net developers took this package into the sdk.

If you are keeping controllers in a separate project, add this to the project references for using target frameworks controllers and attributes.

<ItemGroup>
    <FrameworkReference Include="Microsoft.AspNetCore.App" />
</ItemGroup>

edited Mar 17, 2024 at 9:37

answered Sep 20, 2023 at 15:15

Unseen

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1 Comment

Rentering.com Over a year ago

This package is deprecated. nuget.org/packages/Microsoft.AspNetCore.Http/…

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