1
2    XmlDataDocument config_file;
3                XmlTextReader xtr = new XmlTextReader(XML_file);
4                config_file = new XmlDataDocument();
5                config_file.DataSet.ReadXmlSchema(xtr);
6                xtr.Close();
7                config_file.Load(XML_file);
8            

            public string GetValue(string element_name)
            {
                return config_file.DataSet.Tables[0].Rows[0][element_name].ToString();
            }