The object of this type represents a configured instance of the corresponding extension and is intended to be used mainly as a sender parameter when processing events on the server side.
NuGet Package: DevExpress.Web.Mvc5
public class MVCxCallbackPanel : ASPxCallbackPanel
Public Class MVCxCallbackPanel Inherits ASPxCallbackPanel
To add the CallbackPanel extension to the View, refer to the CallbackPanel Overview topic.
The object of MVCxCallbackPanel type represents the configured instance of DevExpress ASP.NET MVC CallbackPanel extension. The MVCxCallbackPanel object is intended to be used only as a sender parameter when processing events on the server side.
To properly follow the ASP.NET MVC pattern, it is recommended to respond to end-user actions on the client-side (see Client-Side API) or to use Ajax callbacks to the server and handle these callbacks using custom action methods (see Using Callbacks).