Grails/AJAX: Updating an arbitrary region in the page using g:submitToRemote
In a GSP (Groovy Server Page), I'm using <g:submitToRemote update="..."> to update a <div> after the server-side call.
According to the tag's documentation and other sources on the web, the target <div> can be placed arbitrarily at the page. In my testings, however, I 开发者_如何学运维find that the <div> needs to surround the <g:submitToRemote> tag.
If it does not, the <div> will be updated with some "random" contents (i.e., parts of the form that surround the <g:submitToRemote> tag).
Consider the following GSP code:
<html>
<head>
<g:javascript library="prototype" />
</head>
<body>
<div id="updateMe_NOT_WORKING">${message}</div>
<g:form>
<div id="updateMe_WORKING">
<g:submitToRemote value="Click Me"
action="someAction" update="updateMe_NOT_WORKING" />
</div>
</g:form>
</body>
</html>
That's on Grails 1.3.4.
What am I missing? - ThanksAccording to my testings, g:submitToRemote's action attribute must not point to the current controller's current action (as this will insert/duplicate the current view into the current view).
It works if you specify an alternate action in g:submitToRemote - i.e.,
<g:submitToRemote value="Click Me"
action="ajaxAction" update="updateMe" />
If this action provides a model - i.e.,
def ajaxAction = { [message: 'foo'] }
then there needs to be a corresponding GSP - that, in this case, should state,
$message
Alternatively, the action can use the render method - like this,
def ajaxAction = { render 'foo' }
I'll leave this issue open for some time, in case there might be additional responses, and, if there aren't, will accept this answer as the solution.
Thanks
I think the problem is that you don't specify the controller for your action. Try adding controller="..." into your g:submitToRemote tag. Or at least specify it in g:form.
I'm sure that the <div> doesn't need to be wrapped.
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