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Web Development with Blazor

You're reading from   Web Development with Blazor A practical guide to building interactive UIs with C# 12 and .NET 8

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Product type Paperback
Published in Apr 2024
Publisher Packt
ISBN-13 9781835465912
Length 366 pages
Edition 3rd Edition
Languages
Tools
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Author (1):
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Jimmy Engström Jimmy Engström
Author Profile Icon Jimmy Engström
Jimmy Engström
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Toc

Table of Contents (22) Chapters Close

Preface 1. Hello Blazor 2. Creating Your First Blazor App FREE CHAPTER 3. Managing State – Part 1 4. Understanding Basic Blazor Components 5. Creating Advanced Blazor Components 6. Building Forms with Validation 7. Creating an API 8. Authentication and Authorization 9. Sharing Code and Resources 10. JavaScript Interop 11. Managing State – Part 2 12. Debugging the Code 13. Testing 14. Deploying to Production 15. Moving from, or Combining with, an Existing Site 16. Going Deeper into WebAssembly 17. Examining Source Generators 18. Visiting .NET MAUI 19. Where to Go from Here 20. Other Books You May Enjoy
21. Index

Looking at bindings

In this chapter, we are using bindings to bind data to our form controls. We briefly discussed bindings in Chapter 5, Creating Advanced Blazor Components, but it’s time to dig deeper into bindings.

Binding to HTML elements

With HTML elements, we can use @bind to bind variables to the element.

So, if we are binding to a textbox, we would do it like this:

<input type="text" @bind="Variable"/>

@bind and @bind-value both work and do the same thing. Note the lower v in value. The input element is an HTML element that will render as a normal HTML element with no extra features (except binding). Compare this to InputText, which will work in a similar way but also give you additional features like validation and styles.

By default, the value in the variable will change when we leave the textbox. But we can change that behavior by adding a @bind:event attribute like this:

<input type="text" @bind...
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