Update a sale

NSSaleAgent saleAgent;
NSSaleEntity sale = saleAgent.GetSaleEntity(4);

NSListAgent listAgent;
sale.SetCompetitor(listAgent.GetCompetitor(1));

sale = saleAgent.SaveSaleEntity(sale);

Delete a sale

It might be necessary to delete a sale if it is no longer appropriate to store it in the database.

NSSaleAgent saleAgent;
Void DeleteSaleEntity(123);