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  • Book Overview & Buying Getting Started with Knockout.js for .NET Developers
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Getting Started with Knockout.js for .NET Developers

Getting Started with Knockout.js for .NET Developers

By : Andrey Ankshin
4.2 (9)
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Getting Started with Knockout.js for .NET Developers

Getting Started with Knockout.js for .NET Developers

4.2 (9)
By: Andrey Ankshin
Buy this Book

Overview of this book

This book is intended for .NET developers who want to use the MVVM design pattern to create powerful client-side JavaScript linked to server-side C# logic. Basic experience with ASP.NET, Razor, and creating web applications is needed.
Table of Contents (9 chapters)
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Preface
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Preface
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What this book covers
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What you need for this book
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Who this book is for
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Conventions
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Reader feedback
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Customer support
Lock Free Chapter
1
1. Introduction to Knockout.js
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1. Introduction to Knockout.js
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Knockout.js overview
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Installing Knockout.js
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Knockout.js fundamentals
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Summary
2
2. Creating a Simple Knockout.js Application
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2. Creating a Simple Knockout.js Application
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Creating the Model, View, and ViewModel
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Text and appearance bindings
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Form fields bindings
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Control flow bindings
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Computed observables
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Observable arrays
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Summary
3
3. Integrating Knockout.js in ASP.NET MVC Applications
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3. Integrating Knockout.js in ASP.NET MVC Applications
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Creating an application without Knockout.js
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Creating an application with Knockout.js
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Summary
4
4. Creating a Web Application with Knockout MVC
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4. Creating a Web Application with Knockout MVC
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Getting started with Knockout MVC
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Working with the Hello World example in Knockout MVC
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Developing a Knockout MVC application
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Summary
5
5. Advanced Features of Knockout.js
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5. Advanced Features of Knockout.js
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Loading and saving JSON data
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Introducing Knockout mapping
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Binding context
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Custom bindings
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Extending observables
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Custom functions
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Different templating approaches
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Summary
6
6. Advanced Features of Knockout MVC
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6. Advanced Features of Knockout MVC
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Regions
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Complex bindings
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Sending parameters to the server
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Inner computed properties
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Multiple view models
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Lazy loading
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Writing user scripts
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Summary
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A. A Brief on Knockout MVC References and Features
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A. A Brief on Knockout MVC References and Features
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Working with KnockoutContext
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Basic data binding
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Form objects
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Nested contexts
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Sending requests to the server
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Adding user-defined scripts
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Forming a model and using computed properties
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Special addressing forms
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Summary
8
Index
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Index

Custom bindings

In Chapter 2, Creating a Simple Knockout.js Application, we examined a variety of standard Knockout.js bindings such as text, visible, click, submit, and so on. However, in a big application, this list may not be enough. Fortunately, you can define your own custom bindings.

Registering a new binding

Knockout.js provides us with the ko.bindingHandlers property to register new bindings. You can define a new subproperty of it as a JavaScript object with two callback properties: init and update. Let's take a look at the short binding registration template:

ko.bindingHandlers.newBindingName = {
    init: function(element, valueAccessor, allBindings) {
        // Called on first binding applying to an element
        // Set up any initial state
    },
    update: function(element, valueAccessor, allBindings) {
        // Called on first binding applying to an element and on any changing in dependences
        // Update the DOM element
    }
};

You can apply such bindings to any DOM...

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