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C# 9 and .NET 5 – Modern Cross-Platform Development

You're reading from   C# 9 and .NET 5 – Modern Cross-Platform Development Build intelligent apps, websites, and services with Blazor, ASP.NET Core, and Entity Framework Core using Visual Studio Code

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Product type Paperback
Published in Nov 2020
Publisher Packt
ISBN-13 9781800568105
Length 822 pages
Edition 5th Edition
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Author (1):
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Mark J. Price Mark J. Price
Author Profile Icon Mark J. Price
Mark J. Price
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Table of Contents (23) Chapters Close

Preface 1. Hello, C#! Welcome, .NET! 2. Speaking C# FREE CHAPTER 3. Controlling Flow and Converting Types 4. Writing, Debugging, and Testing Functions 5. Building Your Own Types with Object-Oriented Programming 6. Implementing Interfaces and Inheriting Classes 7. Understanding and Packaging .NET Types 8. Working with Common .NET Types 9. Working with Files, Streams, and Serialization 10. Protecting Your Data and Applications 11. Working with Databases Using Entity Framework Core 12. Querying and Manipulating Data Using LINQ 13. Improving Performance and Scalability Using Multitasking 14. Introducing Practical Applications of C# and .NET 15. Building Websites Using ASP.NET Core Razor Pages 16. Building Websites Using the Model-View-Controller Pattern 17. Building Websites Using a Content Management System 18. Building and Consuming Web Services 19. Building Intelligent Apps Using Machine Learning 20. Building Web User Interfaces Using Blazor 21. Building Cross-Platform Mobile Apps 22. Index

Sweetening LINQ syntax with syntactic sugar

C# 3.0 introduced some new language keywords in 2008 in order to make it easier for programmers with experience with SQL to write LINQ queries. This syntactic sugar is sometimes called the LINQ query comprehension syntax.

More Information: The LINQ query comprehension syntax is limited in functionality. It only provides C# keywords for the most commonly used LINQ features. You must use extension methods to access all the features of LINQ. You can read more about why it is called comprehension syntax at the following link: https://stackoverflow.com/questions/6229187/linq-why-is-it-called-comprehension-syntax

Consider the following array of string values:

var names = new string[] { "Michael", "Pam", "Jim", "Dwight",
  "Angela", "Kevin", "Toby", "Creed" };

To filter and sort the names, you could use extension methods and lambda expressions...

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