private string CreateRequestSecurityCode(tbl_Orders order, string currencyCode) { StringBuilder s = new StringBuilder(); s.Append(order.TotalAmountToPay.ToString("C")) .Append(currencyCode) .Append(order.OrderID) .Append(GetReferenceSite(order.O_DomainID)) .Append(DomainService.GetSettingsValue(SettingsKey.secureTradingRedirectPassword, this.DomainID)); return(Sha256.GetSHA256Hash(s.ToString())); }