Book Image

ASP.NET jQuery Cookbook - Second Edition

By : Sonal Aneel Allana
Book Image

ASP.NET jQuery Cookbook - Second Edition

By: Sonal Aneel Allana

Overview of this book

jQuery is a lightweight JavaScript library that has changed the landscape of client scripting in web applications. Developed by John Resig in 2006, it has taken the web by storm because of its cross-browser compatibility and the ability to get more done with less code. It has gained popularity with ASP.NET developers and is now distributed with Visual Studio and the NuGet package manager. ASP.NET jQuery Cookbook explores the wide range of utilities that the jQuery library provides. It teaches you the nitty-gritty of plugging in these features in ASP.NET web applications. It covers every aspect of interfacing the library, right from downloading and including jQuery on web pages to selecting controls, handling events, and creating animations. This book also walks you through DOM traversal and manipulation in ASP.NET and then through visual effects and graphics in ASP.NET sites. It explores advanced features such as posting AJAX requests and writing plugins. It will provide you with all the information you need to use this library confidently with ASP.NET.
Table of Contents (15 chapters)
ASP.NET jQuery Cookbook Second Edition
About the Author
About the Reviewer

Making Ajax calls to a HTTP handler

A HTTP handler is a process that is executed when a request is made for a particular resource. For example, ASP.NET provides a page handler to process *.aspx files. Another example of an inbuilt handler is the web service handler used to process *.asmx files.

In this recipe, let's write a generic HTTP handler that will return custom data to the calling script. The constructs used in this example are summarized in the following table:





jQuery selector

This selects an element based on its ID


jQuery function

This posts an Ajax request to the server with the set options


jQuery function

This transforms an array or object into another array


jQuery UI method

This attaches the autocomplete widget to the required element

Getting ready

Follow these steps to build a page that will make Ajax calls to a HTTP handler:

  1. Let's create a web page that provides an autocomplete text...