Working with Razor Pages in ASP.NET

 Razor Pages is a newer feature of ASP.NET Core introduced to simplify the process of building dynamic, data-driven web pages. Designed with developers in mind, Razor Pages offers a clean separation of concerns, promotes maintainability, and is especially beginner-friendly compared to traditional MVC architecture.

What Are Razor Pages?

Razor Pages is a page-based programming model that makes building web UI easier and more organized. Unlike ASP.NET MVC, where logic is divided into controllers and views, Razor Pages combine these into a single .cshtml file (Razor view) along with a paired .cshtml.cs file (PageModel) that handles the server-side logic.

Each Razor Page is self-contained — meaning the markup, logic, and routing are all in one place — making the application structure more intuitive, especially for smaller web apps.

Getting Started with Razor Pages

To get started, you need to create an ASP.NET Core Web App with the Razor Pages template using Visual Studio or the .NET CLI:

bash

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dotnet new webapp -n RazorPagesDemo

cd RazorPagesDemo

dotnet run

This creates a basic Razor Pages application with a predefined folder structure and some example pages.

Razor Page Structure

Each Razor Page consists of two parts:

Page.cshtml: Contains the HTML markup with Razor syntax for dynamic content.

Page.cshtml.cs: Contains the PageModel class with methods like OnGet(), OnPost(), etc., to handle HTTP requests.

Example of a simple Razor Page:

Index.cshtml

html

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@page

@model IndexModel

<h2>Welcome, @Model.Name!</h2>

Index.cshtml.cs

csharp

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public class IndexModel : PageModel

{

    public string Name { get; set; }


    public void OnGet()

    {

        Name = "Visitor";

    }

}

Benefits of Using Razor Pages

Simplified Structure: Razor Pages streamline development by keeping the logic and view in close proximity.

Built-in Routing: Each .cshtml file automatically maps to a route based on its file path.

Testability: PageModels are regular C# classes, making them easier to unit test.

Separation of Concerns: Despite being on the same page, logic and presentation are clearly separated.

Conclusion

Razor Pages in ASP.NET Core are ideal for developers looking for a simple yet powerful way to build modern web apps. Whether you're creating single-page features or full-fledged applications, Razor Pages offer clarity, maintainability, and speed — making it a preferred choice for many .NET developers.

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