partial void DeleteSalesOrderHeader(SalesOrderHeader instance);
 partial void UpdateSalesOrderHeader(SalesOrderHeader instance);
 partial void InsertSalesOrderHeader(SalesOrderHeader instance);
		private void detach_SalesOrderHeaders(SalesOrderHeader entity)
		{
			this.SendPropertyChanging();
			entity.Customer = null;
		}
		private void detach_SalesOrderHeaders1(SalesOrderHeader entity)
		{
			this.SendPropertyChanging();
			entity.Address1 = null;
		}
		private void attach_SalesOrderHeaders(SalesOrderHeader entity)
		{
			this.SendPropertyChanging();
			entity.Address = this;
		}