public override string ToString() { StringBuilder s = new StringBuilder($"Order Moment: {Moment.ToLocalTime():dd/MM/yyyy HH:mm:ss} [Moment ISO8601: Local => {Moment.ToLocalTime():o} | UTC => {Moment.ToUniversalTime():o} ]\n"); // o = yyyy-MM-ddTHH:mm:ss.fffffffK = yyyy-MM-ddTHH:mm:ss.fffffffzzz s.AppendLine($"Order Status: {Status}\nClient: {Client}\nOrder Items:"); foreach (OrderItem o in Itens) { s.AppendLine(o.ToString()); } s.AppendLine($"Total Price: R$ {TotalValue.ToString("F2", CultureInfo.InvariantCulture)}"); return(s.ToString()); }