Book Image

C# 12 and .NET 8 – Modern Cross-Platform Development Fundamentals - Eighth Edition

By : Mark J. Price
4.6 (14)
Book Image

C# 12 and .NET 8 – Modern Cross-Platform Development Fundamentals - Eighth Edition

4.6 (14)
By: Mark J. Price

Overview of this book

This latest edition of the bestselling Packt series will give you a solid foundation to start building projects using modern C# and .NET with confidence. You'll learn about object-oriented programming; writing, testing, and debugging functions; and implementing interfaces. You'll take on .NET APIs for managing and querying data, working with the fi lesystem, and serialization. As you progress, you'll explore examples of cross-platform projects you can build and deploy, such as websites and services using ASP.NET Core. This latest edition integrates .NET 8 enhancements into its examples: type aliasing and primary constructors for concise and expressive code. You'll handle errors robustly through the new built-in guard clauses and explore a simplified implementation of caching in ASP.NET Core 8. If that's not enough, you'll also see how native ahead-of-time (AOT) compiler publish lets web services reduce memory use and run faster. You'll work with the seamless new HTTP editor in Visual Studio 2022 to enhance the testing and debugging process. You'll even get introduced to Blazor Full Stack with its new unified hosting model for unparalleled web development flexibility.
Table of Contents (18 chapters)

Exploring ASP.NET Core Razor Pages

ASP.NET Core Razor Pages allow a developer to easily mix C# code statements with HTML markup to make the generated web page dynamic. That is why Razor Pages use the .cshtml file extension.

By convention, ASP.NET Core looks for Razor Pages in a folder named Pages.

Enabling Razor Pages

You will now copy and change the static HTML page into a dynamic Razor Page, and then add and enable the Razor Pages service:

  1. In the Northwind.Web project folder, create a folder named Pages.
  2. Copy the index.html file into the Pages folder. (In Visual Studio 2022 or JetBrains Rider, hold down Ctrl while dragging and dropping.)
  3. For the file in the Pages folder, rename the file extension for index.html from .html to .cshtml.
  4. In the Pages folder, in index.cshtml, add the @page directive to the top of the file.
  5. In index.cshtml, remove the <h2> element that says that this is a static HTML page.
  6. In Program.cs, after...