public DateTime?GetNextPaymentDateTime() { if (LastBookedDate == DateTime.MinValue) { return(FirstBookDate); } if (LastBookedDate == LastBookDate) { return(null); } return(LastBookedDate.AddMonths(MonthPeriodStep)); }
public XElement Serialize() { return(new XElement("StandingOrder", new XAttribute("Id", PersistentId), new XAttribute("FirstBookDate", FirstBookDate.ToString(CultureInfo.InvariantCulture)), new XAttribute("LastBookedDate", LastBookedDate.ToString(CultureInfo.InvariantCulture)), new XAttribute("LastBookDate", LastBookDate.ToString(CultureInfo.InvariantCulture)), new XAttribute("ReferenceMonth", ReferenceMonth), new XAttribute("ReferenceDay", ReferenceDay), new XAttribute("MonthPeriodStep", MonthPeriodStep), new XAttribute("Description", Description ?? ""), new XAttribute("Value", Value.ToString(CultureInfo.InvariantCulture)), new XAttribute("CategoryId", Category != null ? Category.PersistentId : ""))); }