using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; namespace StoreServer { partial class Order { public string ProductInOrderString { get { string Product = ""; foreach (var item in ProductInOrder) { Product += $"{item.ProductInStore.Product.NameProduct} {item.AmountProduct.ToString("F2")} руб. * {item.AmountProduct}\n"; } return Product; } } public decimal CostOfOrder { get { decimal Cost = 0; foreach (var item in ProductInOrder) { Cost += item.ProductInStore.Product.PriceOfOne * item.AmountProduct; } return Cost; } } } }