Microsoft recommends replacing relic from old .NET Framework with Blazor, but you can still do ASP.NET Web Forms apps in Visual Studio 2022 if you want to, with a couple tweaks.

Though ASP.NET Web Forms isn’t part of the vNext initiative it isn’t being ignored. As part of Visual Studio 2013 Update 2 it has picked up some new tooling, EF integration, and Roslyn support.

The Problem Currently, reusing web forms and user controls in multiple ASP.NET projects requires copying the associated aspx and ascx pages.