private void btn_deleteAppointment_Click(object sender, EventArgs e) { // Get the appointment ID from the application appointment.AppointmentId = Convert.ToInt32(txtbx_aptID.Text); // Delete data from database bool success = appointment.Delete(appointment); if (success) { // Successfully deleted MessageBox.Show("Appointment deleted successfully."); // Call the method to refresh DataGrid view after deletion. LoadAppointmentDgvData(); // Call the clear method Clear(); } else { // Delete failed MessageBox.Show("Failed to delete appointment. Try again."); } }