September 2022
Intermediate to advanced
324 pages
8h 19m
English
Content preview from Learning Blazor
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.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.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.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.
Chapter 3. Componentizing
Our app has lifted off and taken flight—hooray! We’re going to continue our adventure of learning Blazor by scrutinizing code. In this chapter, you’ll learn how to author Blazor components and various data-binding approaches. Now that you’re familiar with how the app starts, we’ll evaluate the default route of the app. This just so happens to serve the Index.razor file, which is the home screen for the app. You’ll learn how to limit what a user has access to by protecting components with declarative attributes and security-semantic hierarchies. You’ll see native JavaScript geolocation services in use with JavaScript interop. As part of this chapter, you’ll also learn about some of the peripheral services and supporting architecture that the Blazor app relies on, such as the “Have I Been Pwned” service and Open Weather Map APIs.
Design with the User in Mind
All graphical-based applications have users, but not all applications prioritize the needs of their users. More often than not, apps use your information to drive advertisements or sell your information to other companies. These apps view you (the user) as a sales opportunity or a data point.
The Learning Blazor app was designed with its users in mind. As such, it authenticates the user’s identity to determine what actions the app takes (for more information, see “Identity and Authentication”).
When users log in to the app, meaning, once the web server has authenticated a user with the Azure AD B2C ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
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.