Occurs on the client side when the validation summary's visibility is changed.
The VisibilityChanged event handler receives an argument of the ASPxClientValidationSummaryVisibilityChangedEventArgs type. The following properties provide information specific to this event.
|visible||Gets or sets whether the editor is visible on the client.|
Write a handler for the VisibilityChanged event to perform any custom actions on the client side in response to a change in the validation summary's visibility.