Book Image

Apps and Services with .NET 7

By : Mark J. Price
Book Image

Apps and Services with .NET 7

By: Mark J. Price

Overview of this book

Apps and Services with .NET 7 is for .NET 6 and .NET 7 developers who want to kick their C# and .NET understanding up a gear by learning the practical skills and knowledge they need to build real-world applications and services. It covers specialized libraries that will help you monitor and improve performance, secure your data and applications, and internationalize your code and apps. With chapters that put a variety of technologies into practice, including Web API, OData, gRPC, GraphQL, SignalR, and Azure Functions, this book will give you a broader scope of knowledge than other books that often focus on only a handful of .NET technologies. It covers the latest developments, libraries, and technologies that will help keep you up to date. You’ll also leverage .NET MAUI to develop mobile apps for iOS and Android as well as desktop apps for Windows and macOS.
Table of Contents (23 chapters)
22
Index

Understanding SignalR

The web is great for building general-purpose websites and services, but it was not designed for specialized scenarios that require a web page to be instantaneously updated with new information as it becomes available.

The history of real-time communication on the web

To understand the benefits of SignalR, it helps to know the history of HTTP and how organizations worked to make it better for real-time communication between clients and servers.

In the early days of the web in the 1990s, browsers had to make a full-page HTTP GET request to the web server to get fresh information to show to the visitor.

In late 1999, Microsoft released Internet Explorer 5.0 with a component named XMLHttpRequest that could make asynchronous HTTP calls in the background. This alongside dynamic HTML (DHTML) allowed parts of the web page to be updated with fresh data smoothly.

The benefits of this technique were obvious, and soon all browsers added the same component...