MVCxClientGlobalEvents.BeginCallback Event
In This Article
Occurs on the client when a callback for server-side processing is initiated.
#Declaration
TypeScript
BeginCallback: ASPxClientEvent<MVCxClientGlobalBeginCallbackEventHandler<MVCxClientGlobalEvents>>
#Event Data
The BeginCallback event's data class is MVCxClientGlobalBeginCallbackEventArgs. The following properties provide information specific to this event:
Property | Description |
---|---|
command |
Gets a command name that identifies which client action initiated a callback.
Inherited from ASPx |
control |
Gets an object that initiated a callback.
Inherited from ASPx |
custom |
Gets an object containing specific information (if any, as name/value pairs) that should be passed as a request parameter from the client to the server side for further processing. |
#Remarks
The BeginCallback and MVCxClientGlobalEvents.EndCallback events can be used to perform specific client-side actions (for example, to display and hide an explanatory text or picture) while a callback initiated by a DevExpress MVC extension is being processed on the server side.
See Also