integration de deux code

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using System;
using System.Windows.Forms;
using System.Data;
using System.Data.OleDb;
 
namespace Test
    {
 
    public partial class Form1 : Form
        {
 
        public Form1()
            {
            InitializeComponent();
            }
 
        #region Elements de mon DataSet
 
        #region Boutons de commande
 
        #region Commandes
 
        }
    }

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#region Elements de mon DataSet
 
private DataSet dataBaseDataSet = new DataSet();
 
#region Table Test
private DataTable testDataTable;
private OleDbConnection testOleDbConnection;
private OleDbDataAdapter testOleDbDataAdapter;
#endregion Table Test
 
#endregion Elements de mon DataSet

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#region Boutons de commande
 
private void CreerTestDataTableButton_Click(object sender, EventArgs e)
    {
    this.testDataTable = this.CreerTestDataTable();
    }
 
private void CreerTestOleDbConnectionButton_Click(object sender, EventArgs e)
    {
    this.testOleDbConnection = this.CreerTestOleDbConnection();
    }
 
private void CreerTestOleDbDataAdapterButton_Click(object sender, EventArgs e)
    {
    this.testOleDbDataAdapter = this.CreerTestOleDbDataAdapter(this.testOleDbConnection);
    }
 
private void AlimenterTestDataTableButton_Click(object sender, EventArgs e)
    {
    this.AlimenterTestDataTable();
    }
 
private void ParcourirTestDataTableButton_Click(object sender, EventArgs e)
    {
    this.ParcourirTestDataTable();
    }
 
private void EnregistrerTestDataTableButton_Click(object sender, EventArgs e)
    {
    this.EnregistrerTestDataTable();
    }
 
#endregion Boutons de commande

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#region Commandes
 
private System.Data.DataTable CreerTestDataTable()
    {
    DataTable testDataTable = new DataTable("Test");
    DataColumn columnId;
    DataColumn columnLibelle;
    columnId = new DataColumn("Id", typeof(int), null, MappingType.Element);
    testDataTable.Columns.Add(columnId);
    columnLibelle = new DataColumn("Libelle", typeof(string), null, MappingType.Element);
    testDataTable.Columns.Add(columnLibelle);
    return testDataTable;
    }
 
private OleDbConnection CreerTestOleDbConnection()
    {
    //OleDbConnection testOleDbConnection = new OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:\\Users\\rezgui mohamed\\Desktop\\agent\\test1.mdb");
    OleDbConnection testOleDbConnection = new OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=DataBase.mdb");
    return testOleDbConnection;
    }
 
private System.Data.OleDb.OleDbDataAdapter CreerTestOleDbDataAdapter(OleDbConnection oleDbConnection)
    {
    OleDbDataAdapter testOleDbDataAdapter = new OleDbDataAdapter();
    testOleDbDataAdapter.SelectCommand = new OleDbCommand();
    testOleDbDataAdapter.SelectCommand.CommandText = "select Id, Libelle from Test";
    testOleDbDataAdapter.SelectCommand.Connection = oleDbConnection;
    return testOleDbDataAdapter;
    }
 
private void AlimenterTestDataTable()
    {
    this.testOleDbDataAdapter.Fill(this.testDataTable);
    }
 
private void ParcourirTestDataTable()
    {
    foreach (DataRow dataRow in this.testDataTable.Rows)
        {
        string caption = this.testDataTable.TableName;
        string texte = string.Empty;
        texte += "Colone 1: " + dataRow.ItemArray[0].ToString() + Environment.NewLine;
        texte += "Colone 2: " + dataRow.ItemArray[1].ToString() + Environment.NewLine;
        MessageBox.Show(texte, caption);
        }
    }
 
private void EnregistrerTestDataTable()
    {
    this.testOleDbDataAdapter.Update(this.testDataTable);
    }
 
#endregion Commandes