[C#]COMMENT RÉCUPÉRER FACILEMENT DES DONNÉES D'UN FICHIER XML ?

<?xml version="1.0" encoding="utf-8" ?>

<configuration>

      <client name="idClient" value="14"/>

      <connection name="port" value="1024"/>

</configuration>

public class ConfigManager

{

      private static System.Xml.XmlTextReader txtReader = null;

      static ConfigManager()

      {

            try

            {

                  FileStream fic = null;

                  string AppPath = System.IO.Path.GetFullPath(System.Reflection.Assembly.GetExecutingAssembly(). GetName().CodeBase);

                  string path = AppPath + @".config";

                  fic = new FileStream(path, FileMode.Open, FileAccess.ReadWrite, FileShare.ReadWrite);

                  txtReader = new XmlTextReader(fic);

            }

            catch {}

      }

      /// <summary>

      /// Fourni l'identifiant du client de référence.

      /// </summary>

      /// <returns></returns>

      public static int getRefClientId()

      {

            try

            {

                  while (txtReader.Read())

                  {

                        XmlNodeType nType = txtReader.NodeType; 

                        if (nType == XmlNodeType.Element)

                        {

                              if (txtReader.Name.Equals("client") && txtReader.GetAttribute("name").Equals("idClient"))

                              {

                                    string strValue = txtReader.GetAttribute("value");

                                    return Convert.ToInt32(strValue);

                              }

                        }

                  }

            }

            catch {}

            return -1;

      }

}

<?xml version="1.0" encoding="utf-8" ?>

<configuration>

      <client id="14" desc="Identifiant du client"></client>

      <connnection name="port" value="1024"/>

</configuration>

using System;

using System.Windows.Forms;

using System.Xml;

using System.Xml.XPath;

using System.Collections;

       /// <summary>

       /// Cette classe permet de retourner la valeur d'une expression XPAth

       /// </summary>

       class XPathNav

       {

             private static string XMLFilePath;

             static XPathNav()

             {

                    XMLFilePath = @".\MonAppli.exe.config";

             }

             /// <summary>

             /// Methode vierge permettant d'activer la classe statique

             /// </summary>

             public static void init(){}

             /// <summary>

             /// Récupère la valeur de l'attribut du noeud recherché dans le fichier de configuration

             /// </summary>

             /// <param name="xPathString">Expression XPath de recherche du noeud</param>

             /// <param name="attribute">Attribut à rechercher</param>

             /// <returns>Une ArrayList contenant la liste des attributs recherchés</returns>

             public static ArrayList SearchXPathNavigator(string xPathString, string attribute)

             {

                    // Initilisation des variables

                    XPathDocument xpathDoc;

                    XPathNavigator xpathNavigator;

                    XPathNodeIterator xpathNodeIterator;

                    XPathExpression expr;

                    ArrayList listOfAttributes = new ArrayList();

                    // Parcours du fichier XML

                    try

                    {

                           xpathDoc = new XPathDocument(XMLFilePath);

                           xpathNavigator = xpathDoc.CreateNavigator();

                           expr = xpathNavigator.Compile(xPathString);

                           xpathNodeIterator = xpathNavigator.Select(expr);

                           while (xpathNodeIterator.MoveNext())

                           {

                                  // On récupère l'attribut

                                  listOfAttributes.Add(xpathNodeIterator.Current.GetAttribute(attribute, ""));

                           }

                    }

                    catch (Exception e)

                    {

                    }

                    return listOfAttributes;

             }

       }

ArrayList idClient = XPathNav.SearchXPathNavigator("/configuration/client", "id");