public bool XmlDataCheck(string strfilepath, string ElementID, string Value) { XmlDocument Dxml = new XmlDocument(); Dxml.Load(strfilepath); try { // Modbus 포트번호 XmlNode nodeModPort = Dxml.DocumentElement.SelectSingleNode("/profile/Preferences/" + ElementID); if (nodeModPort.Value != Value) { // 수정 nodeModPort.InnerText = Value; } Dxml.Save(strfilepath); return true; } catch(Exception e) { // 생성..