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up vote 7 down vote favorite
1

How can I send int array from $.ajax to c# mvc?

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I tried 3-4 examples I can't run it. What can be a reason? –  Anton Feb 2 '12 at 9:28
    
[Ajax] public bool example(int[] ints) –  Anton Feb 2 '12 at 9:28
1  
please give more detail of what you have tried and what result you are seeing, including code. –  Ben Parsons Feb 2 '12 at 9:47
    
I want to check all examples, but most of them send null to c# method. –  Anton Feb 2 '12 at 10:01
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4 Answers

up vote 12 down vote accepted 
$.ajax({
          url: <Url of the action>,
          type: "POST",
          data: JSON.stringify([1,2,3]),
          dataType: "json",
          contentType: 'application/json; charset=utf-8'
});

and in the action.

public ActionResult ReceiveIntArray(int[] ints)
{
   ...
}

mvc should parse the json automatically.

check out this question.

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Doesn't work from my code... can't catch the reason. When I enter the method parameter is null. –  Anton Feb 2 '12 at 9:29
3  
sorry you would have to use JSON.stringify([1,2,3]) i have edited the answer –  Daniel Feb 2 '12 at 9:44
    
hooray! now it works fine :) –  Anton Feb 2 '12 at 9:51
    
@Daniel it works for me too but, i have one question. why didn't matter what array name is ("ints")? Normally if data: { BasvuruId: BasvuruId}, in js , Variable name must be same (BasvuruId) in action. –  MustafaP Jan 9 at 13:47
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up vote 1 down vote

Try solution from this question:

Set the traditional property to true before making the get call. i.e.:

jQuery.ajaxSettings.traditional = true

$.get('/controller/MyAction', 
    { vals: arrayOfValues }, 
    function (data) {
      ...
    }
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Code doesn't send values. Link is nice. –  Anton Feb 2 '12 at 10:04
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up vote 1 down vote

The way I'm doing it is with a simple input:hidden element

<input type="hidden" name="elements" value='@String.Join(",", ViewBag.MyArray)' />

And in the JavaScript code I'm passing it as a string:

$.ajax({
   type: "POST",
   url: '/Controller/Method',
   data:
      {
          recipients: $("input[name=elements]").val()
      },
      traditional: true,
      success: updateSelected
});

And finally I just Split the elements like this:

[AcceptVerbs(HttpVerbs.Post)]
public ActionResult Method(string elements)
{
    IList<long> selected = elements.Split<long>(',');
    ...
}
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updateSelected underfined. –  Anton Feb 2 '12 at 10:14
    
without it sends nothing. –  Anton Feb 2 '12 at 10:16
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up vote 0 down vote

The simplest way would be to send a delimited (commas, possibly) string list of the ints as an argument on a GET request, then use Sting.Split() to parse them on your C# MVC receiver.

So, for example $.get("/path-to/receiver/", { myArray: myArray.toString() } );

Then, on the server, use

string[] stringArray = Request.QueryString["myArray"].ToString().Split(',')

to extract the values to a string array, then Int32.TryParse to finally get an array of ints.

jQuery GET Syntax
JS Array toString() syntax

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Doesn't send values. There is nothing to parse. –  Anton Feb 2 '12 at 10:08
    
This is just an example - you would need to replace "myArray" etc with your own values. The request url should be something like /path-to/receiver/?myArray=your,array,contents –  Ben Parsons Feb 2 '12 at 10:29
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