private void listViewSubjects_SelectedIndexChanged(object sender, EventArgs e) { if (listViewSubjects.SelectedItems.Count == 1) { SubjectsSet subjectsSet = listViewSubjects.SelectedItems[0].Tag as SubjectsSet; comboBoxTeacher.SelectedIndex = comboBoxTeacher.FindString(subjectsSet.id_Teacher.ToString()); } else { comboBoxTeacher.SelectedItem = null; } }
private void buttonEdit_Click(object sender, EventArgs e) { if (listViewSubjects.SelectedItems.Count == 1) { if (comboBoxTeacher.SelectedItem != null) { SubjectsSet subjectsSet = listViewSubjects.SelectedItems[0].Tag as SubjectsSet; subjectsSet.id_Teacher = Convert.ToInt32(comboBoxTeacher.SelectedItem.ToString().Split('.')[0]); Program.abc.SaveChanges(); ShowSubjects(); } else { MessageBox.Show("Заполните все поля", "Невозможно внести данные!", MessageBoxButtons.OK); } } }