get Json object in Codeigniter with Jquery

Question

i want to get data that i called it from controller and display it when the drop down menu changed this is my model:

$query = $this->db->query('select ifnull(max(content_id),0)+1 as content_id from news_contents where news_id = '.$news_id);
    return $query->result();

this is my controller:

 header('Content-Type: application/x-json; charset=utf-8');
 echo(json_encode($this->m_news_crud->new_newscontent_id($news_id)));

and this is my view:

<!DOCTYPE HTML>
<html>
<head>
<meta charset="utf-8">
</head>
<body>
  <form>
   <select id="first">
    <option value="201512001">Option 1</option>
    <option value="201512002">Option 2</option>
    <option value="201512003">Option 3</option>
    <option value="201512004">Option 4</option>
   </select>
   <div id="msg"></div>
</form>
<script src="//ajax.googleapis.com/ajax/libs/jquery/1.11.0/jquery.min.js"></script>
 <script type="text/javascript">
 var b_url = "http://194.1.1.236/abuqir-arabic-master/"
 $('#first').change(function(e) {
        e.preventDefault();
        var news_id = $('#first').val();
        console.log(news_id);    
        $.ajax({
            type: 'get',
            url: (b_url + "c_news_crud/get_content_max/" + news_id),
            dataType: 'json',
            success: function(data) {
                alert(data);
            }
        });

        });

  </script>
  </body>
  </html>

Data structure is :

[{"content_id":"4"}]

it seems like it appear in browser developer tool put it doesn't appear in view

and finally sorry for my languages

after you will get data you just need to append data to html. Simple. — Parth Trivedi
– Parth Trivedi, Commented Dec 15, 2015 at 9:33

Zakaria Acharki · Accepted Answer · 2015-12-15 09:43:06Z

1

You should append the data you get on success to the view, Try :

...
success: function(data) {
    $('#msg').text(data[0].content_id); //append 4 to the msg div
}
....

Hope this helps.

edited Dec 15, 2015 at 9:43

answered Dec 15, 2015 at 9:28

Zakaria Acharki

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3 Comments

sbycrims Over a year ago

it return [object Object]

Zakaria Acharki Over a year ago

You have to show us the object returned structure, and what you want to show in view.

sbycrims Over a year ago

now after editing i wrote (success: function(data) { $('#msg').text(JSON.stringify(data)); }) and it return date like [{"content_id":"4"}] what i want is return number "4"

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