private void btn_deletePatient_Click(object sender, EventArgs e) { try { // Get the patient ID from the application patient.PatientId = Convert.ToInt32(txtbx_patientID.Text); bool success = patient.Delete(patient); if (success) { // Successfully deleted MessageBox.Show("Patient deleted successfully."); // Call the method to refresh DataGrid view after deletion. LoadPatientDgvData(); // Call the method to clear all input/selection fields. Clear(); } else { // Delete failed MessageBox.Show("Failed to delete patient. Try again."); } } catch (Exception ex) { MessageBox.Show(ex.Message); } }