public override bool select() { if (!isValid(new List<string>() { "prID", "vName", "vBoundary", "vInUse" })) return false; string sqlCommand = String.Format("select * from Village where vID={0}", vID); Sql sql = new Sql(); SqlDataReader reader = sql.selectVillage(sqlCommand); initBySqlDataReader(reader); sql.closeConnection(); return true; }