View components

View components are a new feature introduced in ASP.NET Core, they are almost similar to Partial Views but is more powerful. When you use Partial Views, you have dependency over the Controller. However, when you use the ViewComponent attribute, you do not have to depend on the Controller, so we will establish separation of concerns and have better testability. Even though the existing Partial View HTML helper is still supported, it is preferable to use the View component whenever you want to show a reusable piece of information when you are using .NET Core.

Creating a View component

You can create a ViewComponent using any of the following:

• Create a class by deriving from the ViewComponent attribute

• Decorate a class with the [ViewComponent] attribute or derive it from the class that has the [ViewComponent] attribute

• You can use the convention by creating a class that ends with a suffix ViewComponent attribute

Whatever option you choose, this ViewComponent should be public, non...