How can I pass a 2d array to an asp.net MVC method from jquery ajax?

Question

My ajax method:

$.ajax({
    url: actionURL,
    type: 'POST',
    dataType: 'json',
    data: { values: data },
    success: function (data) {
    }
});

My controller method:

        [AcceptVerbs(HttpVerbs.Post)]
        public ActionResult SaveParameter(string [][] values)
        {
            ...
        }

I have tried a bunch of things, but nothing is working. How can I compose 'data' in javascript??

Alex Shkor · Accepted Answer · 2012-01-05 12:19:16Z

3

You need to post data in next format

{
"values[0][0]": "Some value",
"values[1][0]": "Some value",
"values[0][1]": "Some value",
"values[1][1]": "Some value",
"values[2][0]": "Some value",
"values[0][2]": "Some value",
"values[2][1]": "Some value",
...
}

answered Jan 5, 2012 at 12:19

Alex Shkor

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Comments

BigMike · Accepted Answer · 2012-01-05 11:42:49Z

0

Try with JSON.stringify.

var chiavi = [];
chiavi[0] = ["A", "B"];
chiavi[1] = ["C", "D"];

        $.ajax({
            type: "POST",
            url: jsonUrl, 
            contentType: 'application/json; charset=utf-8',
            dataType: 'json',
            traditional: true,
            data: JSON.stringify({
                Values: chiavi
            }),
            success: function (result) {
            },
            error: function (response, textStatus, errorThrown) {
            }
        });

answered Jan 5, 2012 at 11:42

BigMike

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1 Comment

BigMike Over a year ago

@SLC: mmm can you see the request using Chrome Dev Tools or Firebug ? maybe the problem is on MVC side (modelbinding). Be sure to keep the traditional: true in your ajax call or default modelbinding won't work (assuming you're workign with MVC3)

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