February 2026
Intermediate to advanced
772 pages
17h 25m
English
Content preview from Apps and Services with .NET 10 - Third Edition
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12
Broadcasting Real-Time Communication Using SignalR
In this chapter, you will be introduced to SignalR, a technology that enables a developer to create a service that can have multiple clients and broadcast messages to all of them or a subset of them live in real time. The canonical example is a group chat app. Other examples include notification systems and dashboards that need instantly up-to-date information like stock prices.
This chapter will cover the following topics:
- Understanding SignalR
- Building a live communication service using SignalR
- Building a web client using the SignalR JavaScript library
- Building a .NET console app SignalR client
- Streaming data using SignalR
Understanding SignalR
To understand the problem that SignalR solves, ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.