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ASPxNavBar.ExpandedChanging Event

Fires on the server side before the expansion state of a group is changed.

Namespace: DevExpress.Web

Assembly: DevExpress.Web.v24.1.dll

NuGet Package: DevExpress.Web


public event NavBarGroupCancelEventHandler ExpandedChanging

Event Data

The ExpandedChanging event's data class is NavBarGroupCancelEventArgs. 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.
Group Gets a group for which the event is fired. Inherited from NavBarGroupEventArgs.


Write an ExpandedChanging event handler to perform specific actions on the server side each time before a group’s expansion state is changed. You can use the event parameter’s properties to identify the group being manipulated and cancel execution of the command, if necessary.

See Also