Array inside object for jQuery getJSON not populated

Question

I have a rather peculiar problem when trying to use the jQuery getJSON function.

I try to send my parameters by making an object like so:

var args = {
    from: "",
    to: "",
    customerId: "52"
    articles: ['12312', '21521']
};

Then call the getJSON function:

$.getJSON('/Statistics/TimeGraph', args, function (response) {
    //Fill graph.
});

This is where the problem starts. I recieve the request on the controller, but articles is not populated (the other parameters are).

Controller action:

public JsonResult TimeGraph(DateTime? from, DateTime? to, int? customerId, string[] articles)
{
    return Json("", JsonRequestBehavior.AllowGet);
}

Is it not possible to send an array inside an object like this? Or is there something I'm missing?

Chuck Norris · Accepted Answer · 2015-10-29 08:19:28Z

2

You need to set traditional parameter to true, otherwise it will not work correctly.

$.getJSON('/Statistics/TimeGraph', $.param(args,true), function (response) {
    //Fill graph.
});

or simple ajax call

 $.ajax({
        type: "GET",
        url: "/Statistics/TimeGraph",
        data: args,
        success: function(response){
             //Fill graph.
        },
        dataType: "json",
        traditional: true
    });

answered Oct 29, 2015 at 8:19

Chuck Norris

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2 Comments

Robin Dorbell Over a year ago

Wow, thanks, it works. Mind explaining what it means?

Chuck Norris Over a year ago

It's just the new way (not traditional) of how jquery serializes data is not working with asp.net mvc standard model parser. So we need to always use traditional way if we are sending arrays.

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