private void buttonAdd_Click(object sender, EventArgs e) { Stud studSet = new Stud(); studSet.FirstName = textBoxS.Text; studSet.MiddleName = textBoxN.Text; studSet.LastName = textBoxM.Text; studSet.Class = textBoxC.Text; Program.sss.Stud.Add(studSet); Program.sss.SaveChanges(); ShowStudents(); }
private void buttonEdit_Click(object sender, EventArgs e) { if (listViewStud.SelectedItems.Count == 1) { Stud studentsSet = listViewStud.SelectedItems[0].Tag as Stud; studentsSet.FirstName = textBoxS.Text; studentsSet.MiddleName = textBoxN.Text; studentsSet.LastName = textBoxM.Text; studentsSet.Class = textBoxC.Text; Program.sss.SaveChanges(); ShowStudents(); } }
private void listViewStud_SelectedIndexChanged(object sender, EventArgs e) { if (listViewStud.SelectedItems.Count == 1) { Stud studentsSet = listViewStud.SelectedItems[0].Tag as Stud; textBoxS.Text = studentsSet.FirstName; textBoxN.Text = studentsSet.MiddleName; textBoxM.Text = studentsSet.LastName; textBoxC.Text = studentsSet.Class; } else { textBoxS.Text = ""; textBoxN.Text = ""; textBoxM.Text = ""; textBoxC.Text = ""; } }
private void buttonDel_Click(object sender, EventArgs e) { try { if (listViewStud.SelectedItems.Count == 1) { Stud studentsSet = listViewStud.SelectedItems[0].Tag as Stud; Program.sss.Stud.Remove(studentsSet); Program.sss.SaveChanges(); ShowStudents(); } textBoxS.Text = ""; textBoxN.Text = ""; textBoxM.Text = ""; textBoxC.Text = ""; } catch { MessageBox.Show("Невозможно удалить, эта запись используется", "Ошибка!", MessageBoxButtons.OK, MessageBoxIcon.Error); } }