In that case, you should be aware of the code you will need to write to migrate ASP.NET Core 5 code to ASP.NET Core 6. This article presents several code samples that show how you can do this.

It shows how to share Model, View and Controller code from a 10-year-old MVC Music Store app used to demo ASP.NET MVC3.

Take advantage of the friendly syntax of Razor View Engine to more easily create views from templates in ASP.NET Core MVC.