partial void DeleteSalesOrderHeaderSalesReason(SalesOrderHeaderSalesReason instance);
 partial void InsertSalesOrderHeaderSalesReason(SalesOrderHeaderSalesReason instance);
 partial void UpdateSalesOrderHeaderSalesReason(SalesOrderHeaderSalesReason instance);
		private void detach_SalesOrderHeaderSalesReasons(SalesOrderHeaderSalesReason entity)
		{
			this.SendPropertyChanging();
			entity.SalesReason = null;
		}