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PONo POST data in jquery ajax call
 

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    <p>I've been trying to POST data back to a controller from a lightbox using ajax but of course it doesn't work. </p> <p>I have two select lists, both populated from the default controller. When I select a value and click the submit I have the error box briefly flash up the disappear again. </p> <p>Using the firebug network tab I can see the POST request however under the post tab there's no data. I must be doing something wrong in the javascript itself but to me it looks ok and all my googling didn't suggest an alternative that worked. </p> <p>Here's my code...</p> <pre><code>&lt;body style="background-color: #f0f0f0;"&gt; &lt;div style="margin: 5px;"&gt; &lt;div id="ajax-login-register"&gt; &lt;div id="login-box"&gt; &lt;div style="text-align: center; font-weight: bold; font-size: 20px; margin: 10px 0 20px 0; border-bottom: #ccc 2px dashed; padding-bottom: 12px;"&gt;&lt;?=lang('login')?&gt;&lt;/div&gt; &lt;form id="login-form"&gt; &lt;select name="currency_sel" id="brand_country" class="form_select_200px"&gt; &lt;option value="0" selected&gt;&lt;i&gt;Select your preferred Currancy&lt;/i&gt;&lt;/option&gt; &lt;?php foreach($currencies as $currency): ?&gt; &lt;option value="&lt;?php echo $currency['currency_id']; ?&gt;"&gt;&lt;?php echo $currency['currency_name']; ?&gt;&lt;/option&gt; &lt;?php endforeach; ?&gt; &lt;/select&gt; &lt;/form&gt; &lt;/div&gt; &lt;div id="register-box"&gt; &lt;div style="text-align: center; font-weight: bold; font-size: 20px; margin: 10px 0 20px 0; border-bottom: #ccc 2px dashed; padding-bottom: 12px;"&gt;&lt;?=lang('meta_description')?&gt;&lt;/div&gt; &lt;form id="register-form"&gt; &lt;select name="language_sel_1" id="brand_country" class="form_select_200px"&gt; &lt;option value="0" selected&gt;Select your preferred Language&lt;/option&gt; &lt;?php foreach($languages as $language): ?&gt; &lt;option value="&lt;?php echo $language['language_id']; ?&gt;"&gt;&lt;?php echo $language['language_name']; ?&gt;&lt;/option&gt; &lt;?php endforeach; ?&gt; &lt;/select&gt; &lt;select name="language_sel_2" id="brand_country" class="form_select_200px"&gt; &lt;option value="0" selected&gt;Select your preferred Language&lt;/option&gt; &lt;?php foreach($regions as $region): ?&gt; &lt;option value="&lt;?php echo $region['country_id']; ?&gt;"&gt;&lt;?php echo $region['country_name']; ?&gt;&lt;/option&gt; &lt;?php endforeach; ?&gt; &lt;/select&gt; &lt;div class="line"&gt;&amp;nbsp;&lt;/div&gt; &lt;/form&gt; &lt;/div&gt; &lt;div&gt; &lt;form&gt; &lt;button id="ajax-submit-button" style="font-size: 14px;"&gt;&lt;?//=lang('register')?&gt;Submit&lt;/button&gt; &lt;/form&gt; &lt;/div&gt; &lt;/div&gt; &lt;/div&gt; &lt;script type="text/javascript"&gt; $(document).ready(function(){ $('#ajax-login-button').button({ icons: { primary: "ui-icon-check" } }); $('#ajax-submit-button').click(function(){ var error = false; if(error){ return false; } else { $.ajax({ url: "&lt;?=site_url('locale/set_ui_lang')?&gt;", type: "POST", dataType: "json", data: ({ 'currency_sel' : $('#currency_sel :selected').val(), 'language_sel_1' : $('#language_sel_1 :selected').val(), 'language_sel_2' : $('#language_sel_2 :selected').val() }), success: function(data){ parent.$.colorbox.close(); parent.location.reload(); }, error: function(xhr, ajaxOptions, thrownError){ alert("ERROR! \n\n readyState: " + xhr.readyState + "\n status: " + xhr.status + "\n thrownError: " + thrownError + "\n ajaxOptions: " + ajaxOptions); } }); } }); }); &lt;/script&gt; &lt;/body&gt; </code></pre> <p>When the error notice flags up the ready state and status both come up 0, thrownerror is just error.</p> <p>Also the receiving controller is currently only just a print_r(&amp;_POST) to test.</p> <p>I don't seem to be able to get past this myself, if anyone can help it is much appreciated.</p> <p>Thanks</p>
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    1. COHave you tried dumping the entire object passed to the ajax() call to spot any errors? (See ["How can I print a JavaScript object?"](http://stackoverflow.com/questions/957537/how-can-i-print-a-javascript-object))
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    2. COThanks for that Tomas, I tried using it in the error catch with no results, can you advise me on where I should use it?
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      1. USPeter Donoghue
    3. COReplace your $.ajax() call with: tempObj = { url: "<?=site_url('locale/set_ui_lang')?>", type: "POST", // and the rest of the settings object... } Console.Log(tempObj);
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