Я хочу заблокировать отправку формы, если в полях нет изменений.
Мой код выглядит так:
<g:form >
<label for="contactPersonName">
<g:message code="vendorGeneralAddress.contactPersonName.label" default="Contact Person Name" />
<span class="required-indicator">*</span>
</label>
<g:textField tabindex="1" placeholder="${g.message(code:'vendorGeneralAddress.contactPersonName.label')}" name="contactPersonName" value="${vendorGeneralAddressInstance?.contact_person_name}"/>
<label for="city">
<g:message code="vendorGeneralAddress.city.label" default="City" />
<span class="required-indicator">*</span>
</label>
<g:textField tabindex="5" placeholder="${g.message(code:'vendorGeneralAddress.city.label')}" name="city" value="${vendorGeneralAddressInstance?.city}"/>
<g:actionSubmit name="change" controller ="c1" action="g1" value="${message(code: 'bv.change.request.customer', default: 'Change')}"/>
<g:actionSubmit name="create" controller ="c1" action="g2" value="${message(code: 'default.button.create.label', default: 'Create')}"/>
</g:form>