private void RemoverCampoActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_RemoverCampoActionPerformed
        try {
            if (NomeCampo_TextField.getText().equals("")) {
                JOptionPane.showMessageDialog(null, "Indique qual o nome do campo a remover!", "Alerta!", JOptionPane.WARNING_MESSAGE);
            } else {
                a.removeCampo(NomeCampo_TextField.getText(), NomeEscola_TextField.getText());
            }
        } catch (HeadlessException ex) {
            JOptionPane.showMessageDialog(null, ex.getMessage(), "Erro!", JOptionPane.ERROR_MESSAGE);
        }
    }//GEN-LAST:event_RemoverCampoActionPerformed