Fires when the pivot grid's data source changes.
public event EventHandler DataSourceChanged
Public Event DataSourceChanged As EventHandler
The DataSourceChanged event handler receives an argument of the EventArgs type.
The DataSourceChanged event serves as a notification that the pivot grid's ASPxPivotGrid.DataSource property value has been changed. It also fires when the data source implementing the IBindingList interface raises the ListChanged event of the PropertyDescriptorAdded, PropertyDescriptorDeleted, PropertyDescriptorChanged or Reset type.