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ASPxFileManager.CustomCallback Event

Fires when a round trip to the server has been initiated by a call to the client ASPxClientFileManager.PerformCallback method.

Namespace: DevExpress.Web

Assembly: DevExpress.Web.v18.2.dll


public event CallbackEventHandlerBase CustomCallback
Public Event CustomCallback As CallbackEventHandlerBase

Event Data

The CustomCallback event's data class is CallbackEventArgsBase. The following properties provide information specific to this event:

Property Description
Parameter Gets a string that contains specific information (if any) passed from the client side.


The CustomCallback event allows you to perform server-side processing in response to a call to the client ASPxClientFileManager.PerformCallback method.

Use the CallbackEventArgsBase.Parameter property to pass specific information from the client side.

Use the ASPxClientFileManager.BeginCallback and ASPxClientFileManager.EndCallback client events to perform actions on the client side before and after a callback.



For a full example, see the ASPxFileManager - Custom filter API demo.

<dx:ASPxFileManager ID="FileManager" runat="server"  OnCustomCallback="FileManager_CustomCallback" >
See Also