Building a Blazor data component

In this section, we will build a component to list, create, and edit employees in the Northwind database.

We will build it over several steps:

1. Make a Blazor component that renders the name of an employee set as a parameter.
2. Make it work as a routable page as well as a component.
3. Implement the functionality to perform CRUD operations on employees in a database.
4. Build and call a Minimal API web service.

We will add the new component to the existing Blazor WebAssembly client project:

1. In the Northwind.BlazorWasm.Client project, in the Pages folder, add a new file named Employees.razor. In Visual Studio, the project item template is named Razor Component.
2. Add statements to output a heading for the Employees component and define a code block that defines a property to store the name of a country, as shown highlighted in the following markup:

   <h3>Employees @(string.IsNullOrWhiteSpace...