A System.Data.DataColumnCollection.CollectionChanged event is raised when you change which items are in a collection, for example, by adding an element to a collection or removing an element from the collection. This event is not raised when an individual element changes its value.

Namespace: System.ComponentModel
Assembly: System (in System.dll)
Assembly Versions: 1.0.3300.0, 1.0.5000.0, 2.0.0.0, 4.0.0.0