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  • Book Overview & Buying C# 12 and .NET 8 – Modern Cross-Platform Development Fundamentals
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C# 12 and .NET 8 – Modern Cross-Platform Development Fundamentals

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

By : Mark J. Price
4.4 (74)
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C# 12 and .NET 8 – Modern Cross-Platform Development Fundamentals

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

4.4 (74)
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)
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17
Index

Consuming web services using HTTP clients

Now that we have built and tested our Northwind service, we will learn how to call it from any .NET app using the HttpClient class and its factory.

Understanding HttpClient

The easiest way to consume a web service is to use the HttpClient class. However, many people use it wrongly because it implements IDisposable and Microsoft’s own documentation shows poor usage of it. See the book links in the GitHub repository for articles with more discussion of this.

Usually, when a type implements IDisposable, you should create it inside a using statement to ensure that it is disposed of as soon as possible. HttpClient is different because it is shared, reentrant, and partially thread-safe.

The problem has to do with how the underlying network sockets must be managed. The bottom line is that you should use a single instance of it for each HTTP endpoint that you consume during the life of your application. This will allow each...

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