partial void DeleteCampaignStatusHistory(CampaignStatusHistory instance);
 partial void InsertCampaignStatusHistory(CampaignStatusHistory instance);
 partial void UpdateCampaignStatusHistory(CampaignStatusHistory instance);
		private void detach_CampaignStatusHistories(CampaignStatusHistory entity)
		{
			this.SendPropertyChanging();
			entity.Campaign = null;
		}