Book Image

C# 7 and .NET Core: Modern Cross-Platform Development - Second Edition

Book Image

C# 7 and .NET Core: Modern Cross-Platform Development - Second Edition

Overview of this book

If you want to build powerful cross-platform applications with C# 7 and .NET Core, then this book is for you. First, we’ll run you through the basics of C#, as well as object-oriented programming, before taking a quick tour through the latest features of C# 7 such as tuples, pattern matching, out variables, and so on. After quickly taking you through C# and how .NET works, we’ll dive into the .NET Standard 1.6 class libraries, covering topics such as performance, monitoring, debugging, serialization and encryption. The final section will demonstrate the major types of application that you can build and deploy cross-device and cross-platform. In this section, we’ll cover Universal Windows Platform (UWP) apps, web applications, mobile apps, and web services. Lastly, we’ll look at how you can package and deploy your applications so that they can be hosted on all of today’s most popular platforms, including Linux and Docker. By the end of the book, you’ll be armed with all the knowledge you need to build modern, cross-platform applications using C# and .NET Core.
Table of Contents (24 chapters)
C# 7 and .NET Core: Modern Cross-Platform Development - Second Edition
Credits
About the Author
About the Reviewer
www.PacktPub.com
Customer Feedback
Preface

ASP.NET Core MVC controllers


Now that ASP.NET Core MVC knows the name of the controller and action, it will look for a class that implements an interface named IController. To simplify the requirements, Microsoft supplies a class named Controller that your classes can inherit from.

The responsibilities of a controller are as follows:

  • To extract parameters from the HTTP request

  • To use the parameters to fetch the correct model and pass it to the correct view

  • client as an HTTP response

To return the results from the view to the client as an HTTP responseDefining the Home controller's actions

Expand the Controllers folder and double-click on the file named HomeController.cs:

    public class HomeController : Controller 
    { 
      public IActionResult Index() 
      { 
        return View(); 
      } 
      public IActionResult About() 
      { 
        ViewData["Message"] = "Your application description page."; 
        return View(); 
      } &...