JSON.stringify() object not working in ajax call in Codeigniter

Question

var dataString = JSON.stringify(formDara);
    console.log(dataString);
$.ajax({
    url: urL,
    type: "POST",
    cache: false,
    data: dataString,
    success: function (data) {
        console.log(data);
    }
});

Here, formData is an Object. console.log(dataString) OUTPUT:

{"library_fee":"100","lab_fee":"200","tution_fee":"300","admission_fee":"400"}

But my controller got no value. Codeigniter controller ACTION method:

public function set_fees_structure($id) {
    $data = array();
    $data["admission_fee"] = $this->input->post("admission_fee", TRUE);
    $data["tution_fee"] = $this->input->post("tution_fee", TRUE);
    $data["library_fee"] = $this->input->post("library_fee", TRUE);
    $data["lab_fee"] = $this->input->post("lab_fee", TRUE);
    echo 'I m set fees structures ' . $id;
    echo '<pre>';
    print_r($data);
    exit();
}

Add your action method also. You need add to ajax method contentType: 'application/json; charset=utf-8' — M. Wiśnicki
– M. Wiśnicki, Commented Jan 16, 2017 at 13:47
Possible duplicate of: stackoverflow.com/questions/21004315/… — NewbieCoder
– NewbieCoder, Commented Jan 16, 2017 at 14:03

Mateen Kadwaikar · Accepted Answer · 2017-01-16 14:12:40Z

0

Try this @Ikram Hasib

Method 1

    var jsonFile = {
      "coord": {
        "lon": -88.64,
        "lat": 35.44
      },
      "weather": [{
        "id": 701,
        "main": "Mist",
        "description": "mist",
        "icon": "50n"
      }]
    }
    $.ajax({
      type: "POST",
      url: url,
      data: JSON.stringify({
        jsonFile
      }),
      dataType: "json",
      contentType: "application/json",
      Accept: 'application/json; charset=utf-8',
      success: function(data) {
        console.log(data);
      }
    });

Method 2

 var jsonFile = {
   "coord": {
     "lon": -88.64,
     "lat": 35.44
   },
   "weather": [{
     "id": 701,
     "main": "Mist",
     "description": "mist",
     "icon": "50n"
   }]
 }

 $.post(url, JSON.stringify({
     jsonFile
   }))
   .done(function(data) {
     console.log(data);
   });

edited Jan 16, 2017 at 14:12

answered Jan 16, 2017 at 13:56

Mateen Kadwaikar

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3 Comments

Ikram Ud Daula Over a year ago

When i use dataType: "json", then not work ajax. when use that still not working. for your information, formDara is an Object

Mateen Kadwaikar Over a year ago

@IkramHasib I have added another way too of doing it and updated my old code.

Ikram Ud Daula Over a year ago

please check that data {"library_fee":"100","lab_fee":"200","tution_fee":"300","admission_fee":"400"}

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