How to ASP.NET Ajax

ASP.NET Ajax extension is a part of ASP.NET that makes Ajax functionalities possible and effective. ASP.NET Ajax, formerly known as Atlas, is an extension of ASP.NET 2.0. Ajax extension has developed for both client side and server side. The core part of the Ajax extension client library is the networking layer that manages the complexity of making asynchronous calls over XMLHttpRequest.

XMLHttpRequest is the core of making AJAX web applications. It acts as a communication layer between the server and the client. XMLHttpRequest object is responsible for the partial updates of web pages by using JavaScript to make requests to the web server and process the response without posting the full web page back to the web server. XMLHTTP is a protocol that is designed to package data as XML and send it via the network to the web server. XmlHttpRequest object is today fully supported by the majority of Web browsers.

The most frequently used ASP.NET Ajax server controls are ScriptManager, UpdatePanel , UpdateProgress and Timer. With the help of ScriptManager Control and UpdatePanel control, ASP.NET Ajax can refresh selected parts of the web page instead of refreshing the whole page with a postback. UpdateProgress provides status information for the progress of the download occurring in the UpdatePanel and the Timer control enables you to perform postbacks at a specified interval. (C) 2021    Founded by raps mk
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