In Grails, how to invoke a controller action from a g:select

Question

I'm using a g:select (actually, a g:currencySelect) in my view.

I want a controller action to fire as soon as the user changes the value in the resulting select box.

How can I do this?

Answer 1

I think I'm answering my own question here, but do let me know if there's a better way of doing this:

Use the onchange javascript function in the select tag:

<g:form controller="changeCurrency" action="changeCurrency">
    <g:select onchange="submit()"/>
</g:form>