partial void DeleteAlertHistory(AlertHistory instance);
 partial void UpdateAlertHistory(AlertHistory instance);
		private void detach_AlertHistory(AlertHistory entity)
		{
			this.SendPropertyChanging();
			entity.AlertDef = null;
		}
 partial void InsertAlertHistory(AlertHistory instance);
		private void attach_AlertHistory(AlertHistory entity)
		{
			this.SendPropertyChanging();
			entity.AlertDef = this;
		}