Getting an Array from Controller Method, passing it to Javascript/JQuery

Question

So I have this test method in my controller, in a C# MVC Project (using razor markup):

public virtual string[] TestArray(int id)
{
    string[] test = new string[] { "test1", "test2", "test3", "test4", "test5" };

    return test;
}

Is there any way to get this array into javascript?

Here is what I've tried:

function testArray(id) {
    $.get('Project/TestArray/' + id, function (data) {
        alert(data[0]);
    });
}

It goes without saying that this didn't work - I'm not great with javascript.

How can I correctly do what I'm describing?

NOTE: "Project" is the URL pattern for my Controller.

Liam · Accepted Answer · 2013-04-29 08:46:15Z

3

Return Json from your controller

public virtual ActionResult TestArray(int id)
{
    string[] test = new string[] { "test1", "test2", "test3", "test4", "test5" };

    return Json(test, JsonRequestBehavior.AllowGet);
}

Get a Json object in your js using getJSON

function testArray(id) {
    $.getJSON('Project/TestArray/' + id, function (data) {
        alert(data[0]);
    });
}

edited Apr 29, 2013 at 8:46

answered Apr 26, 2013 at 15:35

Liam

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6 Comments

Felix Weir Over a year ago

This silently fails, are there any page includes / references I need?

Liam Over a year ago

No, just JQuery. Is it hitting your controller?

Liam Over a year ago

sounds like a routing issue. Fire up Fiddler or similar and confirm the HTTP request is being sent as you expect it to be. This is flagged as virtual also, are you overidding it anywhere?

Felix Weir Over a year ago

Requests are being sent, but the request throws two 401's and a 404. Mysterious. Theres no overrides I'm aware of.

Felix Weir Over a year ago

Wow, I just noticed, I was missing a '/' before 'Project'... it works perfectly now. Thanks a lot for your help (and patience) - it works like a charm now... /embarassment

|

Samuel Caillerie · Accepted Answer · 2013-04-26 15:34:28Z

0

Use instead an action returning a JSON element :

public JsonResult TestArray(int? id)
{
    string[] test = new string[] { "test1", "test2", "test3", "test4", "test5" };
    return Json(test, JsonRequestBehavior.AllowGet);
}

answered Apr 26, 2013 at 15:34

Samuel Caillerie

8,2652 gold badges29 silver badges34 bronze badges

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