ajax object from view to controller not containing data

Question

> I .net core 2.2 This is the object Object:

[Serializable]
public class oob
{
   public int i { get; set; }
   public string j { get; set; }
}

this is the action in "Home" Controller named Gett that takes oob as input from ajax

 [HttpGet]
public IActionResult Gett(oob ww)
{
    return Ok(ww);
}

Ajax

    {
        $.ajax({
            type: "Get",
            url: "Home/gett",
            data: { ww: JSON.stringify({i:55,j:"weqe"})},
            dataType: "json",
            contentType:"json",
            success: function (f) {
                console.log(f);
            },
            error: function (f) {
                console.log(f);
            }
        });
    });

When request is made ,at the Gett(oob ww) i get an object with value of i=0 and j=null

You mean: return Ok(ww) instead of OK(i). right ?

Abdullah Dibas
– Abdullah Dibas

2019-02-10 08:15:59 +00:00
Commented Feb 10, 2019 at 8:15 — Abdullah Dibas
– Abdullah Dibas, Commented Feb 10, 2019 at 8:15
Sorry yes @ Abdullah Dibas

kunal verma
– kunal verma

2019-02-10 08:17:18 +00:00
Commented Feb 10, 2019 at 8:17 — kunal verma
– kunal verma, Commented Feb 10, 2019 at 8:17
Try ContentType 'application/json'

RasmusW
– RasmusW

2019-02-10 08:44:14 +00:00
Commented Feb 10, 2019 at 8:44 — RasmusW
– RasmusW, Commented Feb 10, 2019 at 8:44

PSK · Accepted Answer · 2019-02-10 08:39:46Z

1

Ideally you should not pass object to a GET request, for posting object, you should use POST.

If you still want, you need to change your GET method like following using FromQuery.

[HttpGet]
public IActionResult Gett([FromQuery] oob ww)
{
    return Ok(ww);
}

And change your AJAX call like following.

$.ajax({
            type: "Get",
            url: "Home/gett",
            data: {i:55,j:"weqe"},
            dataType: "json",
            contentType:"json",
            success: function (f) {
                console.log(f);
            },
            error: function (f) {
                console.log(f);
            }
        });

Note: To pass the object you don't need JSON.stringify if you are using FromQuery for your API

edited Feb 10, 2019 at 8:39

answered Feb 10, 2019 at 8:15

PSK

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4 Comments

PSK Over a year ago

can you change data:{ ww: JSON.stringify({i:55,j:"weqe"})} to data:JSON.stringify({i:55,j:"weqe"})

kunal verma Over a year ago

.net core 2.2 MVC controller

PSK Over a year ago

just change data: {i:55,j:"weqe"}, I tested locally and its working

PSK Over a year ago

and use [FromQuery]

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