Book Image

C# 11 and .NET 7 – Modern Cross-Platform Development Fundamentals - Seventh Edition

By : Mark J. Price
4.2 (5)
Book Image

C# 11 and .NET 7 – Modern Cross-Platform Development Fundamentals - Seventh Edition

4.2 (5)
By: Mark J. Price

Overview of this book

Extensively revised to accommodate the latest features that come with C# 11 and .NET 7, this latest edition of our guide will get you coding in C# with confidence. You’ll learn object-oriented programming, writing, testing, and debugging functions, implementing interfaces, and inheriting classes. Next, you’ll take on .NET APIs for performing tasks like managing and querying data, working with the filesystem, and serialization. As you progress, you’ll also explore examples of cross-platform projects you can build and deploy, such as websites and services using ASP.NET Core. Instead of distracting you with unnecessary graphical user interface code, the first eleven chapters will teach you about C# language constructs and many of the .NET libraries through simple console applications. Having mastered the basics, you’ll then start building websites, web services, and browser apps. By the end of this book, you’ll be able to create rich web experiences and have a solid grasp of object-oriented programming that you can build upon.

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Table of Contents (19 chapters)
Preface
Preface
Where to find the code solutions
What this book covers
What you need for this book
Get in touch
1
Hello, C#! Welcome, .NET!
Hello, C#! Welcome, .NET!
Setting up your development environment
Understanding .NET
Building console apps using Visual Studio 2022
Building console apps using Visual Studio Code
Exploring code using Polyglot Notebooks
Reviewing the folders and files for projects
Making good use of the GitHub repository for this book
Looking for help
Practicing and exploring
Summary
Free Chapter
2
Speaking C#
Speaking C#
Introducing the C# language
Understanding C# grammar and vocabulary
Working with variables
Exploring more about console apps
Understanding async and await
Practicing and exploring
Summary
3
Controlling Flow, Converting Types, and Handling Exceptions
Controlling Flow, Converting Types, and Handling Exceptions
Operating on variables
Understanding selection statements
Understanding iteration statements
Storing multiple values in an array
Casting and converting between types
Handling exceptions
Checking for overflow
Practicing and exploring
Summary
4
Writing, Debugging, and Testing Functions
Writing, Debugging, and Testing Functions
Writing functions
Debugging during development
Hot reloading during development
Logging during development and runtime
Unit testing
Throwing and catching exceptions in functions
Practicing and exploring
Summary
5
Building Your Own Types with Object-Oriented Programming
Building Your Own Types with Object-Oriented Programming
Talking about OOP
Building class libraries
Storing data within fields
Writing and calling methods
Splitting classes using partial
Controlling access with properties and indexers
More about methods
Pattern matching with objects
Working with records
Practicing and exploring
Summary
6
Implementing Interfaces and Inheriting Classes
Implementing Interfaces and Inheriting Classes
Setting up a class library and console application
Making types safely reusable with generics
Raising and handling events
Implementing interfaces
Managing memory with reference and value types
Working with null values
Inheriting from classes
Casting within inheritance hierarchies
Inheriting and extending .NET types
Writing better code
Practicing and exploring
Summary
7
Packaging and Distributing .NET Types
Packaging and Distributing .NET Types
The road to .NET 7
Understanding .NET components
Publishing your code for deployment
Decompiling .NET assemblies
Packaging your libraries for NuGet distribution
Porting from .NET Framework to modern .NET
Working with preview features
Practicing and exploring
Summary
8
Working with Common .NET Types
Working with Common .NET Types
Working with numbers
Working with text
Pattern matching with regular expressions
Storing multiple objects in collections
Working with spans, indexes, and ranges
Working with network resources
Practicing and exploring
Summary
9
Working with Files, Streams, and Serialization
Working with Files, Streams, and Serialization
Managing the filesystem
Reading and writing with streams
Encoding and decoding text
Reading and writing with random access handles
Serializing object graphs
Practicing and exploring
Summary
10
Working with Data Using Entity Framework Core
Working with Data Using Entity Framework Core
Understanding modern databases
Setting up EF Core
Defining EF Core models
Querying EF Core models
Loading patterns with EF Core
Modifying data with EF Core
Working with transactions
Defining Code First EF Core models
Practicing and exploring
Summary
11
Querying and Manipulating Data Using LINQ
Querying and Manipulating Data Using LINQ
Why LINQ?
Writing LINQ expressions
Using LINQ with EF Core
Sweetening LINQ syntax with syntactic sugar
Using multiple threads with parallel LINQ
Creating your own LINQ extension methods
Working with LINQ to XML
Practicing and exploring
Summary
12
Introducing Web Development Using ASP.NET Core
Introducing Web Development Using ASP.NET Core
Understanding ASP.NET Core
New features in ASP.NET Core
Structuring projects
Building an entity model for use in the rest of the book
Understanding web development
Practicing and exploring
Summary
13
Building Websites Using ASP.NET Core Razor Pages
Building Websites Using ASP.NET Core Razor Pages
Exploring ASP.NET Core
Exploring ASP.NET Core Razor Pages
Using Entity Framework Core with ASP.NET Core
Using Razor class libraries
Configuring services and the HTTP request pipeline
Enabling HTTP/3 support
Practicing and exploring
Summary
14
Building Websites Using the Model-View-Controller Pattern
Building Websites Using the Model-View-Controller Pattern
Setting up an ASP.NET Core MVC website
Exploring an ASP.NET Core MVC website
Customizing an ASP.NET Core MVC website
Querying a database and using display templates
Improving scalability using asynchronous tasks
Practicing and exploring
Summary
15
Building and Consuming Web Services
Building and Consuming Web Services
Building web services using the ASP.NET Core Web API
Documenting and testing web services
Consuming web services using HTTP clients
Implementing advanced features for web services
Building web services using Minimal APIs
Practicing and exploring
Summary
16
Building User Interfaces Using Blazor
Building User Interfaces Using Blazor
Understanding Blazor
Comparing Blazor project templates
Building components using Blazor Server
Building components using Blazor WebAssembly
Improving Blazor WebAssembly apps
Practicing and exploring
Summary
17
Epilogue
Epilogue
The next steps on your C# and .NET learning journey
The eighth edition coming November 2023
Good luck!
18
Index
Index

Reviewing the folders and files for projects

In this chapter, you created two projects named HelloCS and AboutMyEnvironment.

Visual Studio Code uses a workspace file to manage multiple projects. Visual Studio 2022 uses a solution file to manage multiple projects. You might have also created a .NET Interactive notebook.

The result is a folder structure and files that will be repeated in subsequent chapters, although with more than just two projects, as shown in Figure 1.20:

Figure 1.20: Folder structure and files for the two projects in this chapter

Understanding the common folders and files

Although .code-workspace and .sln files are different, the project folders and files such as HelloCS and AboutMyEnvironment are identical for Visual Studio 2022 and Visual Studio Code. This means that you can mix and match between both code editors if you like:

  • In Visual Studio 2022, with a solution open, navigate to File | Add Existing Project… to add...
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