Book Image

C# 8.0 and .NET Core 3.0 – Modern Cross-Platform Development - Fourth Edition

By : Mark J. Price
Book Image

C# 8.0 and .NET Core 3.0 – Modern Cross-Platform Development - Fourth Edition

By: Mark J. Price

Overview of this book

In C# 8.0 and .NET Core 3.0 – Modern Cross-Platform Development, Fourth Edition, expert teacher Mark J. Price gives you everything you need to start programming C# applications. This latest edition uses the popular Visual Studio Code editor to work across all major operating systems. It is fully updated and expanded with new chapters on Content Management Systems (CMS) and machine learning with ML.NET. The book covers all the topics you need. Part 1 teaches the fundamentals of C#, including object-oriented programming, and new C# 8.0 features such as nullable reference types, simplified switch pattern matching, and default interface methods. Part 2 covers the .NET Standard APIs, such as managing and querying data, monitoring and improving performance, working with the filesystem, async streams, serialization, and encryption. Part 3 provides examples of cross-platform applications you can build and deploy, such as web apps using ASP.NET Core or mobile apps using Xamarin.Forms. The book introduces three technologies for building Windows desktop applications including Windows Forms, Windows Presentation Foundation (WPF), and Universal Windows Platform (UWP) apps, as well as web applications, web services, and mobile apps.
Table of Contents (21 chapters)

Defining components, content types, and templates

Now that you have seen the functionality of the content and component types provided with the project template, we will review how they were defined in more detail, and then we will define some custom page types to show a catalog of Northwind products.

Reviewing the standard page type

We will review the simplest page type, used for standard pages like About Us.

  1. In Visual Studio Code, expand Models, open StandardPage.cs, and note that standard pages do not currently have any custom properties, as shown in the following code:
    using Piranha.AttributeBuilder;
    using Piranha.Models;
    namespace NorthwindCms.Models
    {
        [PageType(Title = "Standard page")]
        public class StandardPage  : Page<StandardPage>
        {
        }
    }
  2. Click in Page<StandardPage> and press F12 to view the source.
  3. Click in GenericPage<T> and press F12 to view the source.
  4. Click in PageBase<T> and press F12 to view the...