public List<string> GetAllNames()
    {
      List<string> names = null;
      var connection = new OleDbConnection(connectionString);
      var sql = "SELECT [FirstName] FROM [Names]";
      var command = new OleDbCommand(sql, connection);

      connection.Open();
      using (connection)
      {
        OleDbDataReader reader = command.ExecuteReader();

        while (reader != null && reader.Read())
        {
          names = (from IDataRecord r in reader
                   select (string)r["FirstName"]
                              ).ToList();
           var dinNyaString = "";
          foreach (var name in names)
          {
            dinNyaString += name & ", ";
          }
          //names = reader["FirstName"].ToString();
        }
      }

      return dinNyaString;
    }