pass string array as parameter to asp.net mvc webapi method

Question

I am using webapi2 and here is my client side code

var tbody = $('#files-table').find('tbody'); // tbody where all rows exists 
        var sortOrder = $(tbody).sortable('toArray').toString(); // geting ids of all rows 
        var updateSortOrder = $.ajax({
            url: baseUrl + 'mycontroller/updateimagesorder',
            dataType: 'json',
            traditional: true,
            contentType: 'application/json',
            data: JSON.stringify({ "sortOrder": sortOrder.split(',') }),
            type: 'PUT'
        });
        updateSortOrder.done(function (result) {
            closeModel('images-model');
        });

and here is my server side method

[Route("updateimagesorder")]
    public HttpResponseMessage PutImagesSortOrder([FromBody]string[] sortOrder) 
    {
       // do stuff with parameters 
     }

Note : /mycontroller is route prefix here and baseUrl is my domain url

so , what the issue in my code ?

What is the problem you are facing? Any error? Any unexpected behaviour? — ramiramilu
– ramiramilu, Commented Feb 6, 2014 at 9:32

Darin Dimitrov · Accepted Answer · 2014-02-06 09:28:47Z

3

Try passing the value like this:

data: JSON.stringify(sortOrder.split(',')),

So that your request payload looks like a string array:

["foo", "bar"]

If you want to pass the value like that:

data: JSON.stringify({ "sortOrder": sortOrder.split(',') }),

then make sure that you have declared a view model:

public class MyViewModel
{
    public string[] SortOrder { get; set; }
}

that your controller action will take as parameter:

[Route("updateimagesorder")]
public HttpResponseMessage PutImagesSortOrder(MyViewModel model) 
{
    // do stuff with parameters 
}

answered Feb 6, 2014 at 9:28

Darin Dimitrov

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