using System;

using System.Xml;

using System.Text;

​

public class Program

{

    public static void Main()

    {

            String key;

            String value;

            var xmldoc = @"<?xml version=""1.0"" encoding=""UTF-8""?><configuration><connectionStrings><add name=""XLayers"" connectionString=""Data Source=[ConnStringDataSource];"" providerName=""[ProviderName]"" /></connectionStrings><appSettings><add key=""Debug"" value=""True"" /></appSettings></configuration>";

            var filedoc = new XmlDocument();

            filedoc.LoadXml(xmldoc);

​

            System.Xml.XmlNamespaceManager nsmgr = new System.Xml.XmlNamespaceManager(filedoc.NameTable);

​

            System.Xml.XmlNodeList listOfNodes = filedoc.SelectNodes("//configuration/appSettings/add", nsmgr);

​

            foreach (System.Xml.XmlNode row in listOfNodes)

            {

                try

                {

                    key = row.Attributes["key"].Value;

                } catch (Exception ex)

                {

                    key = "";

                }

                Console.WriteLine("key = " + key);

                try

                {

                    value = row.Attributes["value"].Value;

                }

                catch (Exception ex)

                {

                    value = "";

                }

                Console.WriteLine("value = " + value);

            }

    }

}