ASP.NET Web Forms is where I started with the .NET Framework many years ago. I was able to bust out applications in quick order and loved it. These days it is a bit antiquated, somewhat abandoned – BUT – it did awesome things and I think that there is much the development community has lost in overcoming some of the negatives of Web Forms and I hope we will see some of the strengths of Web Forms for RAD integrated into more contemporary platforms.
Article for Microsoft Docs by Erik Reitan, 2014.
Microsoft Doc from 2010.