GetEmails from prop table section

private List<string> GetEmails()
        {
            List<string> emails=new List<string>();
            var sd = GetPropertiesSection();
            if (sd == null)
            {
                _formResult = _formResult + Environment.NewLine + "propertiesSection==null";
                return emails;
            }
            RowData rd = sd.FindRow("@Name='" + DistributionListPropertyName + "'");
            if (rd == null)
            {
                _formResult = _formResult + Environment.NewLine + "rowData"+DistributionListPropertyName+"==null";
                return emails;
            }
            var sdSelectedValues = rd.ChildSections[SelectedValuesSectionId].GetAllRows();
            if (!sdSelectedValues.Any())
            {
                _formResult = _formResult + Environment.NewLine + "sdSelectedValues==empty";
                return emails;
            }
            foreach (var row in sdSelectedValues)
            {
                var empObj = row.GetObject("SelectedValue");
                var empId = ConvertStringToGuid(empObj.ToString());
                var employee = empId != Guid.Empty ? ContextHelper.LocalContext.GetObject<StaffEmployee>(empId) : null;
                if(employee==null) continue;
                if(!string.IsNullOrEmpty(employee.Email))
                    emails.Add(employee.Email);
            }
            return emails;
        }