private void HandleObjectStateChanging(object sender, ObjectStateChangingEventArgs e)
{
if (e.NewState == ObjectState.Deleted)
{
ClearNavigationProperties();
}
}
// This entity type is the dependent end in at least one association that performs cascade deletes.
// This event handler will process notifications that occur when the principal end is deleted.
internal void HandleCascadeDelete(object sender, ObjectStateChangingEventArgs e)
{
if (e.NewState == ObjectState.Deleted)
{
this.MarkAsDeleted();
}
}