private void jButtonBuscar_RolActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButtonBuscar_RolActionPerformed
        D_Rol rol = new D_Rol();
        TbRol r = rol.getRol(Integer.parseInt(jTextFieldCod_Rol.getText())); 
        jTextFieldDescripcion_Rol.setText(r.getDescripcionRol());
              // TODO add your handling code here:
    }//GEN-LAST:event_jButtonBuscar_RolActionPerformed