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Friday, February 4, 2011

Web Services


Web Services can convert application into a Web-application that makes it available over the internet. It uses a standardized XML messaging system. In web Environment XML is used to encode all communications to a web service. Client sending an XML message to invoking Web services, and wait for a corresponding XML response. Web services are not tied to any one operating system or programming language. Web Services are self-contained, modular, distributed, dynamic applications that can be described, published, located, or invoked over the network to create products, processes, and supply chains. Web services are developed on the basis of open standards, that's are  TCP/IP, HTTP, Java, HTML, and XML. Web services is a collection of collection of open protocols and standards that use XML-based information exchange systems (programs, objects, messages, or documents) over  internet for direct application-to-application interaction.

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What is Ajax?

Ajax Brief Introduction

Ajax (Asynchronous JavaScript and XML) is a new paradigm introduced in 2005. To use Ajax, able to trade data, with a web server, without having to load a new page. The purpose of Ajax is that of giving the illusion that websites are responsive. It achieves this by processing requests which involve the sending and receiving of small packets of data without refreshing the web browser. Ajax is a technique for creating fast and dynamic web pages. In other words, Ajax allows web pages to be updated asynchronously by exchanging small amounts of data with the server behind the scenes. This means that it is possible to update parts of a web page, without reloading the whole page.
Examples of applications using AJAX: Google Maps, Gmail, Youtube, and Facebook tabs.

Ajax ExtenderControls Toolkit