ModulusChecking.Models.BankAccountDetails.ToCombinedString C# (CSharp) Метод

        public String ToCombinedString()
        {
            return SortCode.ToString() + AccountNumber;
        }

 public int GetModulusSum(BankAccountDetails bankAccountDetails, ModulusWeightMapping weightMapping)
 {
     var combinedValue = bankAccountDetails.ToCombinedString();
     if (combinedValue.Length != 14)
     {
         throw new Exception(
             string.Format("Combined SortCode and Account Number should be 14 characters long not {0}: {1}",
                           combinedValue.Length, combinedValue));
     }
     var sum = 0;
     for (var i = 0; i < 14; i++)
     {
         sum += (int.Parse(combinedValue[i].ToString(CultureInfo.InvariantCulture)) * weightMapping.WeightValues[i]);
     }
     return sum;
 }