KCallback.net Control, the most powerful, robust, callback control available in the market today for ASP.NET with AJAX support. Written in 100% managed C# code, KCallback.net provide callback functionality in your web applications. The KCallback.net control allows developers to AJAX-enable any ASP.NET application with writing a few lines of code. It allows to update page content without postback and loss of scroll position!
In the core of the control KCallback.net can make selected controls on the page perform AJAX callbacks instead of traditional postbacks. The whole AJAX behavior of the page is controlled through a single control, called KCallback.net control.