private void btnDelete_Click(object sender, EventArgs e) { DialogResult result = MessageBox.Show("Sure u wanna delete this manager?", "Confirm!", MessageBoxButtons.YesNo); if (result == DialogResult.Yes) { Manager m = (Manager)dataGridViewManager.CurrentRow.DataBoundItem; Account a = AccountDAO.GetAccountByUsername(m.Username); ManagerDAO.Delete(m.MaID); AccountDAO.Delete(a); } else { return; } LoadData(); }