private void Identification_Load(object sender, EventArgs e)
{
List <DataRaison> list = service.GetSociteList();
cmb_NomSoc.DataSource = list.ToArray();
cmb_NomSoc.ValueMember = "societe";
cmb_NomSoc.DisplayMember = "societe";
if (list.Count > 0)
{
cmb_NomSoc.SelectedIndex = 0;
}
txt_con.Focus();
}