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POproblem with receiving data from Controller using .getJSON() and CodeIgniter
 

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  1. POproblem with receiving data from Controller using .getJSON() and CodeIgniter
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    <p>I'm wondering why it doesn't work for me. I followed instructions from here: http://stackoverflow.com/questions/5418179/problem-with-jquery-getjson-retrieve-data-from-controller-code-igniter but maybe I'm doing something wrong. I'm trying to make script that will populate the rest of the fields when user selects a value from select menu.</p> <p>My jQuery script looks like this:<br/><br/></p> <pre><code>$(document).ready(function() { $('#selprod-1').change(function() { var id = $('#selprod-1 option:selected').val(); $.post( '&lt;?php echo $head['site_link'];?&gt;faktura/pobierzProdukt/'+id, function(data){ alert(data); $('#pkwiu').val(data.product_pkwiu); $('#netto').val(data.product_netto); $('#vat').val(data.product_vat); $('#brutto').val(data.product_brutto); $('#jedn').val(data.product_jedn); }, 'json' ); }); }); </code></pre> <p>My HTML form looks like this:</p> <pre><code>&lt;tr&gt; &lt;td&gt;1&lt;/td&gt; &lt;td&gt;&lt;?php echo form_dropdown('produkt[]',$lista,'','id="selprod-1"');?&gt;&lt;/td&gt; &lt;td&gt;&lt;?php echo form_input(array('name'=&gt;'pkwiu','class'=&gt;'short','readonly'=&gt;'readonly'));?&gt;&lt;/td&gt; &lt;td&gt;&lt;?php echo form_input(array('name'=&gt;'netto','class'=&gt;'short','id'=&gt;'netto','readonly'=&gt;'readonly'));?&gt;&lt;/td&gt; &lt;td&gt;&lt;?php echo form_input(array('name'=&gt;'vat','class'=&gt;'mini','id'=&gt;'vat','readonly'=&gt;'readonly'));?&gt;&lt;/td&gt; &lt;td&gt;&lt;?php echo form_input(array('name'=&gt;'brutto','class'=&gt;'short','id'=&gt;'brutto','readonly'=&gt;'readonly'));?&gt;&lt;/td&gt; &lt;td&gt;&lt;?php echo form_input(array('name'=&gt;'jedn','class'=&gt;'mini','id'=&gt;'jedn','readonly'=&gt;'readonly'));?&gt;&lt;/td&gt; &lt;td&gt;&lt;?php echo form_input(array('name'=&gt;'ilosc','class'=&gt;'short','id'=&gt;'ilosc'));?&gt;&lt;/td&gt; &lt;td&gt;&lt;?php echo form_input(array('name'=&gt;'knetto','class'=&gt;'short','id'=&gt;'knetto','readonly'=&gt;'readonly'));?&gt;&lt;/td&gt; &lt;td&gt;&lt;?php echo form_input(array('name'=&gt;'kvat','class'=&gt;'short','id'=&gt;'kvat','readonly'=&gt;'readonly'));?&gt;&lt;/td&gt; &lt;td&gt;&lt;?php echo form_input(array('name'=&gt;'kbrutto','class'=&gt;'short','id'=&gt;'kbrutto','readonly'=&gt;'readonly'));?&gt;&lt;/td&gt; &lt;/tr&gt; </code></pre> <p>My controller function (which works) looks like this:</p> <pre><code>public function pobierzProdukt($id) { $json = json_encode($this-&gt;Faktura_model-&gt;getProduct($id)); header('Cache-Control: no-cache, must-revalidate'); header('Expires: Mon, 26 Jul 2027 05:00:00 GMT'); header('Content-type: application/json'); echo $json; } </code></pre> <p>My model function looks like this:</p> <pre><code>public function getProduct($id) { $q = 'SELECT product_vat, product_netto, product_brutto, product_jedn FROM products WHERE product_id="'.$id.'"'; $w = $this-&gt;db-&gt;query($q); return json_encode($w-&gt;row_array()); } </code></pre>
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    1. COur encoding it twice, not sure if json_encode deals with that or not but still $json should not be json_encode
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    2. COThanks a lot. I didn't notice it before.
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    3. COdid that fix it ?
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