May 2026
Intermediate
598 pages
10h 39m
English
Content preview from Blazor WebAssembly by Example - Third EditionBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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11
Building an Expense Tracker Using the EditForm Component and IndexedDB
Many web applications require users to enter data and persist it locally for use when offline. Blazor WebAssembly makes it easy to build data entry forms with the EditForm component, validate their data, and persist it in the browser using IndexedDB.
In this chapter, you will learn how to use the EditForm component with Blazor's built-in input components. You will also learn how to use the built-in input validation components in conjunction with Data Annotations to validate their data. Next, you will learn how to use the NavigationLock component to prevent users from losing their edits if they navigate away from the form before saving their changes. Finally, you will learn ...
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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.