private void TxtMatricule_SelectedIndexChanged(object sender, EventArgs e) { if (TxtMatricule.Text != "" && TxtConge.Text != "") { E = new Employe(TxtMatricule.Text, FMenu.C); conge = new Conge(E, DateTime.Parse(TxtConge.Text), FMenu.C); if (conge.existance_matricule_date() == false) { BtnAjouter.Enabled = true; BtnSupprimer.Enabled = false; BtnModifier.Enabled = false; TxtType.Text = ""; TxtDuree.Text = ""; } else { BtnAjouter.Enabled = false; BtnSupprimer.Enabled = true; BtnModifier.Enabled = true; conge.recherch_matricule_date(); String date = conge.GetConnextion().dt.Rows[0][1].ToString(); TxtConge.Text = DateTime.Parse(date).ToShortDateString(); TxtType.Text = conge.GetConnextion().dt.Rows[0][2].ToString(); TxtDuree.Text = conge.GetConnextion().dt.Rows[0][3].ToString(); } TxtType.Select(); } }