ASPxTabControlBase.ActiveTabChanging Event

Fires on the server side before the active tab is changed within a tab control.

Namespace: DevExpress.Web

Assembly: DevExpress.Web.v18.2.dll

Declaration

C#

public event TabControlCancelEventHandler ActiveTabChanging

VB.NET

Public Event ActiveTabChanging As TabControlCancelEventHandler

Event Data

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

Property	Description
Cancel	Gets or sets a value indicating whether the command which raised an event should be canceled.
Tab	Gets a tab object related to the event. Inherited from TabControlEventArgs.

Remarks

Write a ActiveTabChanging event handler to perform specific actions on the server side each time before the selected tab changes. You can use the event parameter’s properties to identify the newly selected tab and cancel the execution of the command, if necessary.