Do the conversion form by form rather than creating a whole new site. There will be some forms (those forms maintaining your lookup tables, for example) that you may never bother converting. Where you ...

With .Net Framework 4.7.2, dependency injection is available in ASP.Net Web Forms applications via Unity. The Unity Application Block is a lightweight dependency injection container.

In addition to ASP.NET Core, the new tool also converts legacy Web Forms applications to non-Microsoft targets including Angular and HTML5. "ASP.NET Web Forms is a legacy programming framework that ...