private void jTextFieldCUITFocusLost( java.awt.event.FocusEvent evt) { // GEN-FIRST:event_jTextFieldCUITFocusLost // TODO add your handling code here: if (Validar.controlCUIT(jTextFieldCUIT.getText())) { jTextFieldCUIT.setText(Validar.formatearCUIT(jTextFieldCUIT.getText())); } else { JOptionPane.showMessageDialog( null, "El CUIT ingresado no es válido", "¡Atención!", JOptionPane.INFORMATION_MESSAGE); jTextFieldCUIT.requestFocus(); } } // GEN-LAST:event_jTextFieldCUITFocusLost