Visual Studio WinForm Designer not working after .Net Framework migration to .Net Core

Question

Hello StackOverFlow residents,

We migrated our giant enterprise project from .Net Framework ->.Net Core 6 . The Xaml WCF Designer works just fine , while the WinForm and old Report designers are not working.

What steps should I follow? Thanks.

Winform Designer Xaml Designer Old Reports Designer New Reports Designer

A few steps I tried:

I created an external project independent of my project and tested whether the designer works in the same sdk version. The designer worked on the new project. I added a new form in the project where the designer is not working and tested whether the designer works. Failed .

I think this is due to a setting or something in the visual studio solution since I switched from.Net Framework ->.Net Core.

Answer 1

Not all programs can be switched through a simple.Net Framework->.Net Core.

For project upgrades, there is a complete migration tutorial. Here's the relevant material: Example of migrating to the latest .NET

Your non-working program may be due to an unsupported environment, try following the tutorial to migrate your program.