private async void tbAdd_Click(object sender, EventArgs e) { using (frmLecturerInfo frm = new frmLecturerInfo(new Lecturer())) { if (frm.ShowDialog() == DialogResult.OK) { try { lecturerBindingSource.Add(frm.LecturerInfo); db.Lecturers.Add(frm.LecturerInfo); await db.SaveChangesAsync(); } catch (Exception ex) { MessageBox.Show(ex.Message, "Message", MessageBoxButtons.OK, MessageBoxIcon.Error); } } } }
private async void tbEdit_Click(object sender, EventArgs e) { Lecturer obj = lecturerBindingSource.Current as Lecturer; if (obj != null) { using (frmLecturerInfo frm = new frmLecturerInfo(obj)) { if (frm.ShowDialog() == DialogResult.OK) { try { lecturerBindingSource.EndEdit(); await db.SaveChangesAsync(); } catch (Exception ex) { MessageBox.Show(ex.Message, "Message", MessageBoxButtons.OK, MessageBoxIcon.Error); } } } } }