Razor
Sharing a DataService for Five .NET UIs (WPF, MVC, Razor, Blazor, Blazor WASM) – YouTube
This is GREAT!!!
Tips and Tricks about Razor Partial Views
By: Dino Esposito
Partial views in ASP.NET MVC allow you to reuse and customise components to act like user controls. They consist of both code and markup. They are an idea that is easy to grasp but they have great potential for the more adventurous developer who is prepared to experiment. Dino Esposito explains.