Programming ASP.NET AJAX by Christian Wenz

By Christian Wenz

Providing wealthy, net 2.0-style stories hasn't ever been more straightforward. This ebook can provide a whole hands-on advent to Microsoft ASP.NET AJAX 1.0, the hot framework that provides a few of the related advantages for Ajax improvement that ASP.NET presents for server-side improvement. With Programming ASP.NET AJAX, you are going to how one can create expert, dynamic websites with Ajax in no time.
Loaded with code and examples that display key points of the framework, this booklet is perfect not just for ASP.NET builders who are looking to take their purposes a step extra with Ajax, yet for any internet builders drawn to ASP.NET AJAX, it doesn't matter what know-how they use presently. that comes with JavaScript programmers who want to steer clear of the complications of writing cross-browser code.
Programming ASP.NET AJAX deals you:
- A high-level review of the ASP.NET AJAX framework
- useful code so that you can minimize and paste to be used on your personal applications
- The necessities of JavaScript and Ajax that can assist you comprehend person applied sciences utilized by the framework
- a firm that displays the framework's applications, together with Extensions, regulate Toolkit, the Futures CTP, and the AJAX Library
- Sidebars during the e-book that establish and suggest recommendations to capability defense breaches
- how you can use the standards-based AJAX Library with different systems, comparable to PHP
- an entire bankruptcy at the UpdatePanel regulate for making person components of an online web page independently updateable -- one of many framework's most crucial elements
Released formerly as Programming Atlas to hide the beta model of the Microsoft framework, this version is totally up to date and elevated for the authentic 1.0 liberate of ASP.NET AJAX. Written through Christian Wenz -- Microsoft MVP for ASP/ASP.NET and AJAX keep an eye on Toolkit Contributor -- Programming ASP.NET AJAX includes many hard-to-find info, in addition to a number of unofficial how you can accomplish issues.

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Extra info for Programming ASP.NET AJAX

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In fact, this code implements a JavaScript proxy class (to be covered in more detail in Chapter 5). Most important, the code produces a variable named WebService that provides a reference to the web service. Figure 1-8. aspx, with some contents that you will expand in the following steps. org/1999/xhtml"> Untitled Page

The first thing you will likely notice is a new control: .

The latter variables can be used only from within the class and are not exposed for use by others. This is the only way to implement data hiding and create something similar to private methods and properties. Inheritance is possible in JavaScript to a limited extent. The prototype property can be used to define a method or property that is available to all instances of inherited objects. prototype = new BaseClass( ); Example 2-10 extends the Book class with a DigitalBook class, adding one more private field (implemented as a local variable, _size, and accessible via getter and setter methods) and overriding the toString( ) method.

JavaScript allowed HTML pages to be truly dynamic. It offered instant form data validation, graphical effects, user interaction, and much more. At a time when bandwidth was limited (most users were on slow dial-up lines) and server roundtrips were costly, JavaScript gave web developers a tool to make their sites more interactive. When JavaScript took off, Microsoft added scripting capabilities to its own browser, Internet Explorer, as well. For copyright reasons they named their version of the language JScript.

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