private void ProcessRow(string row)
{
var fields=row.Split(',');
var clientId = new ClientId(fields[0]);
var account = new Account(new AccountId(int.Parse(fields[1])), clientId) { Balance = double.Parse(fields[2].Trim()), LastUpdatedDate = DateTime.ParseExact(fields[3],"dd/mm/yyyy",null) };
Repository.Save(account);
}