private void button3_Click(object sender, EventArgs e)
        {
            //Recuperation des données
            SqlConnection conn = new SqlConnection("Data Source=192.168.206.140;Initial Catalog=Stock;Persist Security Info=True;User ID=sa;Password=abcd4ABCD");

            SqlDataAdapter sda = new SqlDataAdapter("Select * from [dbo].[Products]", conn);
            DataTable dt = new DataTable();
            sda.Fill(dt);
            dataGridView1.Rows.Clear();
            foreach (DataRow item in dt.Rows)
            {
                int n = dataGridView1.Rows.Add();
                dataGridView1.Rows[n].Cells[0].Value = item["ProductCode"].ToString();
                dataGridView1.Rows[n].Cells[1].Value = item["ProductName"].ToString();

            }
            Console.WriteLine(dataGridView1);
            //preparation de connec
            SmtpClient ClientSMTP = new SmtpClient("smtp.laposte.net", 25);

            ClientSMTP.UseDefaultCredentials = true;

            ClientSMTP.Credentials = new System.Net.NetworkCredential("vincent.vialla@laposte.net", "Vincent340099");

            ClientSMTP.DeliveryMethod = SmtpDeliveryMethod.Network;

            ClientSMTP.EnableSsl = true;



            MailMessage Mymail = new MailMessage();
            const string SUBJECT = "List of products";
            const string BODY = "test";

            //Expéditeur
            Mymail.From = new MailAddress("vincent.vialla@laposte.net", "Mon site Internet");

            //Destinataire
            Mymail.To.Add(new MailAddress("vincent.vialla@laposte.net"));

            // Contenue du mail
            Mymail.Subject = SUBJECT;
            Mymail.Body = BODY;

            try
            {
                ClientSMTP.Send(Mymail);
                Console.WriteLine("Email envoyé");
            }
            catch (Exception ex)
            {
                Console.WriteLine("Erreur d'envoi du mail");
                Console.WriteLine(ex.Message);
            }
        }
    }
}