C#

using System;
using System.Linq;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Data.SqlServerCe;

namespace ModeDifféré
{
    public partial class Connexion : Form
    {
        public Connexion()
        {
            InitializeComponent();
        }

        private void Connexion_load(object sender, EventArgs e)
        {
            createconnexion();
        }

        private void createconnexion()
        {
            /*string chbd= Environment. + "\\BaseGmaoLocale.sdf";
            //string chcon= "Data source=\'[0]'\ BaseGmaoLocale.sdf;";
            SqlCeConnection sqlceconn= new SqlCeConnection(chcon);
            sqlceconn.Open();*/
        }

        private void button1_Click(object sender, EventArgs e)
        {
            string chcon = null;
            SqlCeCommand command;
            SqlCeDataAdapter adapter = new SqlCeDataAdapter();
            adapter.TableMappings.Add("Table", "Connexion");
            DataSet ds = new DataSet();
            string sql = null;
            string login,MotPass;
            sql = "Select login from Connexion where login=@login and MotPass=@MotPass ";
            string chcc= "BaseGmaoLocale.sdf;";
            SqlCeConnection sqlceconn= new SqlCeConnection(chcc);
            sqlceconn.Open();
            try
            {
                  sqlceconn.Open();
                command = new SqlCeCommand(sql, sqlceconn);
                adapter.SelectCommand = command;
                adapter.Fill(ds, "SQL Temp Table");
                adapter.Dispose();
                command.Dispose();
                sqlceconn.Close();

                MessageBox.Show("Number of row(s) - " + ds.Tables[0].Rows.Count);
            }
            catch (Exception ex)
            {
                MessageBox.Show("Can not open connection ! ");
            }
            if (ds.Tables[0].Rows.Count != 0)
            {
                MessageBox.Show("Authentification réussie");
                MenuP m = new MenuP();
                m.Show();
            }
            else
            {
                MessageBox.Show("Login ou mot de passe incorrect veuillez réessayer");
            }
        }
    }
}

Warning	1	The variable 'chcon' is assigned but its value is never used	C:\Users\Admin\Documents\Visual Studio 2008\Projects\GMAOMobile\ModeDifféré\Connexion.cs	
Warning	2	The variable 'login' is declared but never used	C:\Users\Admin\Documents\Visual Studio 2008\Projects\GMAOMobile\ModeDifféré\Connexion.cs	
Warning	3	The variable 'MotPass' is declared but never used	C:\Users\Admin\Documents\Visual Studio 2008\Projects\GMAOMobile\ModeDifféré\Connexion.cs	
Warning	4	The variable 'ex' is declared but never used	C:\Users\Admin\Documents\Visual Studio 2008\Projects\GMAOMobile\ModeDifféré\Connexion.cs	

XmlWriter writer = XmlWriter.Create(path + "\\playbackmanu.xml");
writer.WriteStartDocument();
writer.WriteStartElement("PlayBack");

for(int i=1;i<=nCount;i++)
{
    writer.WriteStartElement("ItemInfo");
    writer.WriteElementString("itemimgpath","img"+ i.ToString() + ".jpg");
    writer.WriteElementString("itemname", "");
    writer.WriteElementString("itemtitle", "Title "+i.ToString());
    writer.WriteElementString("itemcommand",i.ToString());
    writer.WriteEndElement();
}

writer.WriteEndElement();
writer.WriteEndDocument();
writer.Close();


------------------------------------------------------------
#PlayBack#
	#ItemInfo#
		#itemimgpath#img1.jpg#/itemimgpath#
		#itemname##/itemname#
		#itemtitle#Title 1#/itemtitle#
		#itemcommand#1#/itemcommand#
	#/ItemInfo#

	#ItemInfo#
		#itemimgpath#img2.jpg#/itemimgpath#
		#itemname##/itemname#
		#itemtitle#Title 2#/itemtitle#
		#itemcommand#2#/itemcommand#
	#/ItemInfo#
#/PlayBack#

#  is <   and  >
--------------------------------------------------------------