Question 86786 in ASP.NET Question posted in
The official documentation can be found here.

Which SignalR package to install for a .NET 6 server project? – Asp.net

I have a NET6 project which is built part of a larger .NET 6 ASP.NET solution. The project still references:

  1. Microsoft.AspNetCore.SignalR, and
  2. Microsoft.AspNetCore.SignalR.Core

Which have now been marked as deprecated.

What packages do I need to install for their replacement?

The problem is that currently SignalR is located in an assembly separate from the main ASP.NET project. This is because the main project and a couple of other projects within the solution use the hubs (using constructor DI).

If I change the SignalR project to

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

I get the following compilation error:

Error CS5001 Program does not contain a static ‘Main’ method suitable for an entry point

So the problem is that I cannot have a common assembly with SignalR referenced by multiple other projects.

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2

Answers


  1. 0

    Server-side SignalR is nowadays a part of the NET base class library. You don’t need any server-side packages. The Microsoft.AspNetCore.SignalR namespace classes are just there.

    However, you need the client-side package, the @microsoft/signalr@latest.

    In case of further issues, please consult the documentation.

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  2. 0

    SignalR is included in the Microsoft.AspNetCore.App shared framework (docs). Change the console app SDK to Microsoft.NET.Sdk.Web:

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

    To use the ASP.NET Core shared framework in a class library project – add FrameworkReference element for Microsoft.AspNetCore.App:

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