Some controls, by their very nature, have their own additional AJAX options and capabilities. Data Stores (used by many data bound components such as GridPanels, Charts, and ComboBoxes) as well as TreePanels (that can load nodes dynamically) warrant their own chapters so AJAX options for them will be covered there. Here we will look at some loading options that are supported by Panels.
AbstractComponent, the base class for all Ext.NET components has a feature named Loaders (known as
AutoLoad in previous versions), which can load in content from another URL or DirectMethod. It can be merged into the current page, or be
presented in isolation by loading it inside an HTML