using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;

public partial class _Default : System.Web.UI.Page 
{
    protected void Page_Load(object sender, EventArgs e)
    {

    }
    protected void Button1_Click(object sender, EventArgs e)
    {
        Label1.Text = "Bonjour, hasan";
    }
    protected void Button2_Click(object sender, EventArgs e)
    {
        foreach ( ListItem li in CheckBoxList1.Items)
        {
            li.Selected = true;
        }
    }
    protected void Button3_Click(object sender, EventArgs e)
    {
        
        ListBox1.Items.Add(TextBox1.Text);
        TextBox1.Text = ""; 
    }
    protected void Button4_Click(object sender, EventArgs e)
    {
        ListBox1.Items.Remove(ListBox1.SelectedItem);
    }
    protected void Button5_Click(object sender, EventArgs e)
    {
       /* foreach (ListItem li in ListBox1.Items)
        {
            ListBox1.Items.Remove(li.Text);
        }*/

        ListBox1.Items.Clear();
    }
    protected void Button8_Click(object sender, EventArgs e)
    {
        ListBox2.Items.Add(ListBox1.SelectedItem);
    }
    protected void Button9_Click(object sender, EventArgs e)
    {
        foreach (ListItem li in ListBox1.Items)
        {
            ListBox2.Items.Add(li.Text);
        }


        ListBox1.Items.Clear();
        /*foreach (ListItem li in ListBox2.Items)

        {
            ListBox1.Items.Remove(li.Text);
        }*/
    }
    protected void Button7_Click(object sender, EventArgs e)
    {
        //via les indices

       /*
        foreach (int elt in ListBox2.GetSelectedIndices())
        {
            ListBox1.Items.Add(ListBox2.Items[elt])
        }
       */
 
        // via l'etat selection

        foreach (ListItem li in ListBox2.Items)
        {
            ListBox1.Items.Add(li.Text); 
        }
        ListBox2.Items.Clear();
       
    }
    protected void Button6_Click(object sender, EventArgs e)
    {
        foreach (ListItem elt in ListBox2.Items)
        {
            if (elt.Selected)
                ListBox1.Items.Add(elt);
        }
    }
}