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Real-World Web Development with .NET 9
Real-World Web Development with .NET 9

Real-World Web Development with .NET 9: Build websites and services using mature and proven ASP.NET Core MVC, Web API, and Umbraco CMS

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Profile Icon Mark J. Price
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Arrow left icon
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Paperback Dec 2024 578 pages 1st Edition
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Real-World Web Development with .NET 9

Practicing and exploring

Test your knowledge and understanding by answering some questions and exploring this chapter's topics with deeper research.

Exercise 1.1 – Online material

Online material could be created by Microsoft or third parties, or extra content for this book.

If you have any issues with the code or content of this book, or general feedback or suggestions for me for future editions, then please read the following short article:

https://github.com/markjprice/web-dev-net9/blob/main/docs/ch01-issues-feedback.md

If you are new to web development on the client-side using HTML, CSS, and JavaScript, then you can start with an online section found at the following link:

https://github.com/markjprice/web-dev-net9/blob/main/docs/ch01-web-dev.md

One of the best sites for learning client-side web development is W3Schools, found at https://www.w3schools.com/.

A summary of what’s new with ASP.NET Core 9 can be found at the following link:

https://learn.microsoft.com...

Summary

In this chapter, you have:

  • Been introduced to some of the technologies that you can use to build websites and web services using C# and .NET.
  • Reviewed options for structuring ASP.NET Core projects.
  • Reviewed how to get help and download code solutions for this book.
  • Created class libraries to define an entity data model for working with the Northwind database using SQL Server.

In the next chapter, you will learn the details about how to build a basic website using ASP.NET Core MVC.

Exploring an ASP.NET Core MVC website

Let’s walk through the parts that make up a modern ASP.NET Core MVC website.

.NET 5 and earlier ASP.NET Core project templates used both a Program class and a Startup class to separate initialization and configuration, but with .NET 6 and later, Microsoft encourages putting everything in a single Program.cs file. I mention this because you might work on existing projects that use the older style. At the end of this chapter you will find an online section that explains how this works.

ASP.NET Core MVC initialization

Appropriately enough, we will start by exploring the MVC website’s default initialization and configuration:

  1. In Program.cs, note that it can be divided into four important sections from top to bottom. As you review the sections, you might want to add regions and comments to remind yourself of what each section is used for.
  2. The first section imports some namespaces, as shown in the...

Prototyping with Bootstrap

Bootstrap is the world’s most popular framework for building responsive, mobile-first websites. It combines CSS stylesheets with JavaScript libraries to implement its functionality. It is a good choice for prototyping a website UI, although, before going public, you might want to hire a web designer to build a custom Bootstrap theme or replace it with a completely custom set of CSS stylesheets to give your website a distinct brand.

Bootstrap can be divided into four parts:

  • Layout: The layout system in Bootstrap provides a responsive grid system, flexible containers, and powerful utilities for creating structured, adaptive designs that adjust seamlessly across various screen sizes and devices.
  • Content: The content section of Bootstrap includes a variety of pre-styled HTML elements like typography, images, and tables, ensuring a consistent and polished look for textual and visual content across your web pages.
  • Components:...

Customizing an ASP.NET Core MVC website

Now that you’ve reviewed the structure of a basic MVC website, you will customize and extend it. You have already registered an EF Core model for the Northwind database, so the next task is to output some of that data on the home page.

Defining a custom style

The home page will show a list of the 77 products in the Northwind database. To make efficient use of space, we want to show the list in three columns. To do this, we need to customize the stylesheet for the website:

  1. In the wwwroot\css folder, open the site.css file.
  2. At the bottom of the file, add a new style that will apply to an element with the product-columns ID, as shown in the following code:
    #product-columns
    {
      column-count: 3;
    }
    

Setting up the category images

The Northwind database includes a table of eight categories, but they do not have images, and websites look better with some colorful pictures:

  1. In the...

Practicing and exploring

Test your knowledge and understanding by answering some questions, getting some hands-on practice, and exploring this chapter’s topics with deeper research.

Exercise 2.1 – Online material

If you need to maintain ASP.NET Core projects that were built using .NET 5 or earlier, then they will use an additional file along with Program.cs: a file named Startup.cs. I have written an online section about this, found at the following link: https://github.com/markjprice/web-dev-net9/blob/main/docs/ch02-startup.md.

The official documentation for ASP.NET Core MVC is found at the following link: https://learn.microsoft.com/en-us/aspnet/core/mvc/overview.

Exercise 2.2 – Practice exercises

The following practice exercises help you to explore the topics in this chapter more deeply.

Practice building UIs with Bootstrap

Create a new ASP.NET Core MVC project named ExploringBootstrap. Add views that implement the following Bootstrap...

Summary

In this chapter, you learned how to build simple ASP.NET Core MVC websites using the HTTP pipeline, routes, models, views, and controllers, as summarized in the following list:

  • HTTP pipeline: A sequence of middleware components that process HTTP requests and responses, allowing for handling tasks like routing, authentication, and exception handling. You will learn more details about customizing the HTTP pipeline in Chapter 8, Configuring and Containerizing ASP.NET Core Projects.
  • Routes: These define URL patterns in ASP.NET Core that map incoming HTTP requests to corresponding controllers and actions for processing.
  • Controllers: These act as intermediaries between models and views in ASP.NET Core, handling user input, updating models, and returning views or other types of responses like JSON.
  • Models: These represent the data in ASP.NET Core applications and are used to manage and manipulate data, often interacting with a database.
  • Views: These...
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Key benefits

  • Master ASP.NET Core MVC, Web API, and OData for building robust web services.
  • Get hands-on experience with web testing, security, and containerization techniques.
  • Learn how to implement Umbraco CMS for content management websites.

Description

Real-World Web Development with .NET 9 equips you to build professional websites and services using proven technologies like ASP.NET Core MVC, Web API, and OData—trusted by organizations for delivering robust web applications. You’ll learn to design and build efficient web applications with ASP.NET Core MVC, creating well-structured, maintainable code that follows industry best practices. From there, you’ll focus on Web API, building RESTful services that are both secure and scalable. Along the way, you’ll also explore testing, authentication, and containerization for deployment, ensuring that your solutions are fully production ready. In the final part of the book, you will be introduced to Umbraco CMS, a popular content management system for .NET. By mastering this tool, you’ll learn how to empower users to manage website content independently. By the end of this book, you'll not only have a solid grasp of controller-based development but also the practical know-how to build dynamic, content-driven websites using a popular .NET CMS.

Who is this book for?

This book is aimed at intermediate .NET developers with a good understanding of C# and .NET fundamentals. It is ideal for developers looking to expand their skills in building professional, controller-based web applications.

What you will learn

  • Build web applications using ASP.NET Core MVC with well-structured, maintainable code
  • Develop secure and scalable RESTful services using Web API and OData
  • Implement authentication and authorization for your applications
  • Test and containerize your .NET projects for smooth deployment
  • Optimize application performance with caching and other techniques
  • Learn how to use and implement Umbraco CMS
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Table of Contents

16 Chapters
Introducing Web Development Using Controllers Chevron down icon Chevron up icon
Building Websites Using ASP.NET Core MVC Chevron down icon Chevron up icon
Model Binding, Validation, and Data Using EF Core Chevron down icon Chevron up icon
Building and Localizing Web User Interfaces Chevron down icon Chevron up icon
Authentication and Authorization Chevron down icon Chevron up icon
Performance Optimization Using Caching Chevron down icon Chevron up icon
Web User Interface Testing Using Playwright Chevron down icon Chevron up icon
Configuring and Containerizing ASP.NET Core Projects Chevron down icon Chevron up icon
Building Web Services Using ASP.NET Core Web API Chevron down icon Chevron up icon
Building Web Services Using ASP.NET Core OData Chevron down icon Chevron up icon
Building Web Services Using FastEndpoints Chevron down icon Chevron up icon
Web Service Integration Testing Chevron down icon Chevron up icon
Web Content Management Using Umbraco Chevron down icon Chevron up icon
Customizing and Extending Umbraco Chevron down icon Chevron up icon
Epilogue Chevron down icon Chevron up icon
Index Chevron down icon Chevron up icon
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