private void LecturerInfoActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_LecturerInfoActionPerformed
        // TODO add your handling code here:
        this.setVisible(false);
        LecturerInfo li = new LecturerInfo();
        li.setVisible(true);
    }//GEN-LAST:event_LecturerInfoActionPerformed