}

private void button1_Click(object sender, EventArgs e)
{
int i;
Random r = new Random();

//MessageBox.Show(sayi.ToString());
for (i = 0; i < 10; i++)
{
listBox1.Items.Add( r.Next(0, 99));
}

}

private void button2_Click(object sender, EventArgs e)
{
for (int i=0;i50)
{
listBox2.Items.Add(listBox1.Items[i].ToString());
}
}

}