private void attach_TrnSalesInvoiceItems(TrnSalesInvoiceItem entity)
		{
			this.SendPropertyChanging();
			entity.MstArticle = this;
		}
		private void detach_TrnSalesInvoiceItems(TrnSalesInvoiceItem entity)
		{
			this.SendPropertyChanging();
			entity.MstArticleInventory = null;
		}
		private void detach_TrnSalesInvoiceItems(TrnSalesInvoiceItem entity)
		{
			this.SendPropertyChanging();
			entity.TrnSalesInvoice = null;
		}
 partial void DeleteTrnSalesInvoiceItem(TrnSalesInvoiceItem instance);
 partial void UpdateTrnSalesInvoiceItem(TrnSalesInvoiceItem instance);
 partial void InsertTrnSalesInvoiceItem(TrnSalesInvoiceItem instance);
		private void attach_TrnSalesInvoiceItems1(TrnSalesInvoiceItem entity)
		{
			this.SendPropertyChanging();
			entity.MstUnit1 = this;
		}