aspnet-devexpress-dot-web-dot-aspxcallbackpanel-dot-underscore-events.md
A callback panel control that allows you to update its content on a callback.
| Name | Description |
|---|---|
| BeforeGetCallbackResult | Occurs after a callback sent by the current control has been processed on the server, but prior to the time the respective callback result render is formed. |
| Callback | Fires when a round trip to the server has been initiated by a call to the client ASPxClientCallbackPanel.PerformCallback method. |
| CallbackError static | Allows you to handle any server exception that might occur during server-side processing of a callback sent by a DevExpress web control. Inherited from ASPxWebControl. |
| CustomJSProperties | Enables you to supply any server data that can then be parsed on the client. Inherited from ASPxPanelBase. |
| DataBinding | Occurs when the server control binds to a data source. Inherited from Control. |
| DefaultButtonResolve | Allows an object specified by the ASPxPanelBase.DefaultButton property to be found manually, if it can’t be found automatically (for instance, if it’s hidden within a naming container). Inherited from ASPxPanelBase. |
| Disposed | Occurs when a server control is released from memory, which is the last stage of the server control lifecycle when an ASP.NET page is requested. Inherited from Control. |
| Init | Occurs when the server control is initialized, which is the first step in its lifecycle. Inherited from Control. |
| Load | Occurs when the server control is loaded into the Page object. Inherited from Control. |
| PreRender | Occurs after the Control object is loaded but prior to rendering. Inherited from Control. |
| Unload | Occurs when the server control is unloaded from memory. Inherited from Control. |
See Also