This API supports the product infrastructure and is not intended to be used directly from your code.
Occurs when the HierarchicalDataSourceControl has changed in some way that affects data-bound controls.
Assembly: System.Web (in System.Web.dll)
The DataSourceChanged event is raised when the properties of a data-bound control or the underlying data has changed in some way that affects the data bindings between a data-bound control and its data.
Available since 2.0