private void comboBoxMatiere_SelectedIndexChanged(object sender, EventArgs e) { matiere lesMatieres = comboBoxMatiere.SelectedItem as matiere; DataContextGestionNotesDataContext dc = new DataContextGestionNotesDataContext(); var lesDevoirs = (from b in dc.devoir where b.id_matiere == lesMatieres.id_matiere select b).ToList(); listBoxEleve.Enabled = true; comboBoxDevoir.Items.Clear(); if (lesDevoirs != null) { foreach (var n in lesDevoirs) { comboBoxDevoir.Items.Add(n); } } }
partial void Deletematiere(matiere instance);
partial void Updatematiere(matiere instance);
partial void Insertmatiere(matiere instance);