Injecting and Using Configuration in Asp.net core

Let's explore the relationship between this Razor Page and the Razor Page's Page Model because typically it is the Page Model that will perform data access and do all the hard work to put together the data that the Razor Page will display .

Easy data source that I can access right now is my application configuration. One of the sources of configuration for this application is appsettings.json So, for example, if I add a Message property to this JSON file and I say that message is equal to Hello world from appsettings!.

let's say I want to display this message in my Razor Page, well the whole idea in the relationship between a Razor Page and its Page Model is that the Razor Page is strictly about display. So something I can do in ASP.NET Core is give my PageModel a constructor, and my constructor can take a parameter of type IConfiguration. We need to bring in the namespace Microsoft.Extensions .Configuration.

Now add model value in .cshtml page.

We just press Enter and we can get value from the appsettings.json

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