private void btn_return3_Click(object sender, EventArgs e) { try { if (RentalDB.DeleteRental(RentalList[ScrollPosition + 2])) { MessageBox.Show("You have returned " + lbl_Title3.Text + ". Thank you, please come again."); } else { MessageBox.Show("There was an error in returning your rental. Please try again or contact support."); } } catch (Exception) { throw; } LoadRentals(); }