The DragPanel extender makes it extremely simple to add a ‘drag’ to your controls. It can target any panel control which enables you to move your panel from one place to another, on the client-side. However there is a functionality missing in the DragPanel extender. The DragPanel extender does not have the built-in capability to retain the position of controls that have been dragged, after a page postback. In this article, we will see how to retain the position of the DragPanel extender, after a postback. This tip was shared by Jonathan in the asp.net forums.
