telerik rad callback, professional AJAX-enabled UI controls
telerik r.a.d.callback is a suite of AJAX-enabled UI controls, which allow you to update page content without postback and loss of scroll position. The short response time combined with the smooth interface transitions results in superior users experience and level of interactivity, which can only be found in desktop applications.
r.a.d.callback includes 12 of the most commonly used ASP.NET form controls, a callback timer controls and a generic callback control. Using telerik’s xLOD framework, r.a.d.callback controls effectively use the power of AJAX and eliminate the need for writing complex JavaScript. Developers can also take advantage of the generic r.a.d.callback control to implement AJAX capabilities for any server control.

A new commercial toolkit joinging the AJAX .NET implementation, Licensed per developer with Unlimited servers and domains and support offered for the price of $399.00. You can find demo here. The main feature of the toolkit are :
- Update Standard and 3rd Party Controls
- No Need for Callback Wrappers
- Get, set, and process control state and values
- Persisting Page ViewState Between Callbacks
- Cross-Browser Support
- Support for .NET 1.0, 1.1 and 2.0
- Client-Side Events
- Server-Side Events
- Synchronous and Asynchronous Callbacks
- Enable/Disable Controls During Callback
- Callback Timer
- Generic Callback Control
- Displaying State Information
- XHTML 1.1 and Accessibility Compliance


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