ASPxSpreadsheet.Callback Event

Fires when a round trip to the server has been initiated either manually (by a call to the client ASPxClientSpreadsheet.PerformCallback method) or automatically by the ASPxSpreadsheet (an internal service callback).

Namespace: DevExpress.Web.ASPxSpreadsheet

Assembly: DevExpress.Web.ASPxSpreadsheet.v24.1.dll

NuGet Package: DevExpress.Web.Office

Declaration

C#

public event CallbackEventHandlerBase Callback

VB.NET

Public Event Callback As CallbackEventHandlerBase

Event Data

The Callback 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.

Remarks

The Callback event allows any desired server-side processing to be performed in response to a call to the client ASPxClientSpreadsheet.PerformCallback method and any resulting required information to be passed to the client for further processing (if needed).

Specific information passed from the client side can be obtained via the CallbackEventArgsBase.Parameter property.