private void btnTestOrder1ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_btnTestOrder1ActionPerformed
        // TODO add your handling code here:
        int n = -1;
        if (ReturnedPatients.size()<=0)
            return;
        try
        {
            n = lslPatients.getSelectedIndex();
        }
        catch(Exception e)
        {
            n = -1;
        }
        if (n<0) return;
        int pid = ((Patient)ReturnedPatients.get(n)).PatientID;
        tbxNTestType.setText("Basic");
        tbxNPatientID.setText(String.valueOf(pid));
        tbxTestDes2.setText("Basic test for patient #" + pid + ".");
        tbpMain.setSelectedIndex(2);
    }