Автор подробно объясняет, как внедрять и использовать Blazor компоненты в ASP .NET Core MVC проектах: http://bit.ly/3tBGjS4
Medium
Using Blazor in Your Existing ASP.Net Core MVC Applications
During lockdown; whilst working from home, I had the opportunity to investigate Server Side Blazor; Microsoft’s new SPA framework.