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C# 13 and .NET 9 – Modern Cross-Platform Development Fundamentals

You're reading from   C# 13 and .NET 9 – Modern Cross-Platform Development Fundamentals Start building websites and services with ASP.NET Core 9, Blazor, and EF Core 9

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Product type Paperback
Published in Nov 2024
Publisher Packt
ISBN-13 9781835881224
Length 828 pages
Edition 9th Edition
Languages
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Toc

Table of Contents (18) Chapters Close

Preface 1. Hello, C#! Welcome, .NET! 2. Speaking C# FREE CHAPTER 3. Controlling Flow, Converting Types, and Handling Exceptions 4. Writing, Debugging, and Testing Functions 5. Building Your Own Types with Object-Oriented Programming 6. Implementing Interfaces and Inheriting Classes 7. Packaging and Distributing .NET Types 8. Working with Common .NET Types 9. Working with Files, Streams, and Serialization 10. Working with Data Using Entity Framework Core 11. Querying and Manipulating Data Using LINQ 12. Introducing Modern Web Development Using .NET 13. Building Websites Using ASP.NET Core 14. Building Interactive Web Components Using Blazor 15. Building and Consuming Web Services 16. Epilogue 17. Index

Working with methods and tuples

Methods are members of a type that execute a block of statements. They are functions that belong to a type.

Returning values from methods

Methods can return a single value or nothing:

  • A method that performs some actions but does not return a value indicates this with the void type before the name of the method.
  • A method that performs some actions and returns a value indicates this with the type of the return value before the name of the method.

For example, in the next task, you will create two methods:

  • WriteToConsole: This will perform an action (writing some text to the console), but it will return nothing from the method, indicated by the void keyword.
  • GetOrigin: This will return a text value, indicated by the string keyword.

Let's write the code:

  1. In Person.cs, add statements to define the two methods that I described earlier, as shown in the following code:
#region Methods: Actions the type can perform.
public void WriteToConsole()
{
 ...
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