Passing JSON to ASP.Net MVC Action

Question

I'm trying to pass a collection into JSON object into MVC Action. I have tried almost all solutions provided on google,It does not pass data to action, please let me know what i'm missing:

AJAX Request

var data = [];
var questID = 100;
data.push({ QuestionTypeId: '2', QuestionId: questID, Answer: 'asdff' });
data.push({ QuestionTypeId: '2', QuestionId: questID, Answer: 'asdff' });
data.push({ QuestionTypeId: '2', QuestionId: questID, Answer: 'asdff' });
data.push({ QuestionTypeId: '2', QuestionId: questID, Answer: 'asdff' });

//var items = JSON.stringify(data);
//alert(items);
var items = JSON.stringify({ 'items': data });
alert(items);

$.ajax({
url: '/Dashboard/CreateAssessment',
data: items,
type: 'POST',
contentType: "application/json; charset=utf-8",
dataType: 'json',
traditional: true,
success: function (response) {
if (response.success) {
    swal('Password Changed', response.Message, 'success');
                        window.location.href = "/Account/Management";
                    } else {
                        $("update-password").removeAttr("disabled");
                        swal('Error', response.Message, 'error');
                    }
                },
                error: function (response) {
                    $("update-password").removeAttr("disabled");
                }
            });

Model Class

public class AssessmentQuestion
{
    public int Id { get; set; }
    public string Description { get; set; }
    public int DisplayOrder { get; set; }
    public string PreviousYearValue { get; set; }
    public QuestionType QuestionType { get; set; }
}

Controller Action Method

// POST: /Dashboard/CreateAssessment
[HttpPost]
public JsonResult CreateAssessment(List<AssessmentAnswerModel> items)
{
        var text = items;
        return Json(new { success = true });
       // return null;
        //return RedirectToAction("Thanks", "Account");
}

Change the line var items = JSON.stringify({ 'items': data }); to var items = JSON.stringify(data); and it should work. — Nicolas Zawada
– Nicolas Zawada, Commented Jan 10, 2017 at 14:21

Syed Rizwan ul Haq · Accepted Answer · 2017-01-10 13:55:49Z

1

Please check follwing code with error line identified.

var data = [];
var questID = 100;
data.push({ QuestionTypeId: '2', QuestionId: questID, Answer: 'asdff' });
data.push({ QuestionTypeId: '2', QuestionId: questID, Answer: 'asdff' });
data.push({ QuestionTypeId: '2', QuestionId: questID, Answer: 'asdff' });
data.push({ QuestionTypeId: '2', QuestionId: questID, Answer: 'asdff' });

//var items = JSON.stringify(data);
//alert(items);


var items = JSON.stringify(data); // HERE IS THE ERROR

alert(items);

$.ajax({
url: '/Dashboard/CreateAssessment',
data: items,
type: 'POST',
contentType: "application/json; charset=utf-8",
dataType: 'json',
traditional: true,
success: function (response) {
if (response.success) {
    swal('Password Changed', response.Message, 'success');
                        window.location.href = "/Account/Management";
                    } else {
                        $("update-password").removeAttr("disabled");
                        swal('Error', response.Message, 'error');
                    }
                },
                error: function (response) {
                    $("update-password").removeAttr("disabled");
                }
            });

Please recheck your AssessmentAnswerModel with case sensitive consideration

Please mark as answer if found helpful.

edited Jan 10, 2017 at 13:55

answered Jan 10, 2017 at 13:50

Syed Rizwan ul Haq

385 bronze badges

Sign up to request clarification or add additional context in comments.

1 Comment

user1109270 Over a year ago

Thanks - I already tried var items = JSON.stringify(data); I used this before and then commented. Ideally it should be like this only. But in controller public JsonResult CreateAssessment(List<AssessmentAnswerModel> items) it gets 0. No data

user1109270 · Accepted Answer · 2017-01-10 16:15:00Z

0

In controller you need to pick data as an array for example

// POST: /Dashboard/CreateAssessment
[HttpPost]
public ActionResult CreateAssessment(AssessmentAnswerModel[] items)
 {
    var text = items;
    return Json(new { success = true });

 }

I'm not sure why it happens like this but it worked like what I did.

answered Jan 10, 2017 at 16:15

user1109270

598 bronze badges

Collectives™ on Stack Overflow

Passing JSON to ASP.Net MVC Action

2 Answers 2

1 Comment

Comments

Your Answer

Hot Network Questions

Collectives™ on Stack Overflow

2 Answers 2

1 Comment

Comments

Your Answer

Sign up or log in

Post as a guest

Related