Groovy/grails how to call controller method from view using jquery

Question

I have a Groovy/Grails project with a view that has some data rendered to it from its controller, say the controller is called MyController and the data I want to render is called ${myData}. The relevant part of my view looks like this:

<head>
    $('#refreshData').click(function(){
        //here I want to run the method in my controller and update the value of myData
    });
    ...
</head>    

<body>
    ...    
    <input type="text" id="inputData" />
    <button id="refreshData">Submit</button>
    ...
</body>

My controller has an action that receives an argument of type String (it's supposed to receive it from the input form)

def updateData(String input) {
    //updating input
    [myData: return_value]
}

I want to call the action updateData from my jquery function either by having a local js variable assigned with the return value of that function or by having a variable rendered to my view and accessing it. I tried calling

var newData = ${
    remoteFunction(
        controller: 'my', 
        action: 'updateData', 
        params =[string_from_form]
    )};

but I am getting the error groovy.lang.MissingMethodException with a message of the form

No signature of method <> is applicable for values (java.util.LinkedHashMap, java.util.ArrayList) values: [[controller:my...

Can somebody please tell me how to call the controller method with my parameter from that jQuery function?

Will · Accepted Answer · 2013-07-09 16:08:57Z

2

Looks like you might have a bug in the params section of your code. Try:

var newData = ${remoteFunction(controller: 'my', action: 'updateData', params: '[string_from_form]')};

edited Jul 9, 2013 at 16:08

answered Jul 9, 2013 at 15:52

Will

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1 Comment

user2565010 Over a year ago

Thanks. That was indeed the problem, but I resorted to $.post("${createLink(controller:..., action:...), param1:..., function(data)={...}}"). Seems more js like.

Anders · Accepted Answer · 2015-09-17 09:27:42Z

0

You want params: instead of params =.

edited Sep 17, 2015 at 9:27

Anders

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answered Jul 10, 2013 at 12:24

Captian Trips

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