Managing namespaces in views with ViewImports

In this recipe, you will learn how to create and manage namespaces in Razor views by creating a _ViewImport view to add all the necessary namespaces we need in our application views.

Getting ready

We create an empty web application with a controller and an index view with the corresponding folders.

How to do it...

The goal of TagHelpers is to reduce the writing of the views using HTML tags and/or attributes interpreted by Razor. They replace HTMLHelpers with the closest syntax of HTML, allowing integrators to work with MVC views more easily:

1. First, let's add an Insert action method for GET and POST in HomeController.cs, and let's add a break point on the Insert method of POST:

2. Next, let's add the Insert view with TagHelper code for an input to test TagHelpers:

• We can see the asp-for TagHelper added to the input text HTML element.

3. Let's test the POST method, adding a value to the input:

4. We click on the Send button to see what happened in the Insert method...