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POProblem to retrieve JSON after AJAX call
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  1. POProblem to retrieve JSON after AJAX call
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    copied!<p>I have made an AJAX function with jQuery. The function works properly, and server return a JSON, but I can't use it in my JS script</p> <p>Server side :</p> <pre><code>$array = array(); $array["count"] = count($accounts_list).""; for($i=0; $i&lt;count($accounts_list); $i++) { $account = $accounts_list[$i]; $array["marker"]["name"] = $account-&gt;name; $array["marker"]["lat"] = $account-&gt;map_latitude; $array["marker"]["lon"] = $account-&gt;map_longitude; } echo json_encode($array); </code></pre> <p>Client side :</p> <pre><code>$.ajax({ type: "POST", url: "index.php?module=cap_Maps&amp;action=AddMarkers", data: dataString, dataType: "json", success: function(data) { if (data == "error"){ $(".tr_legend").before("&lt;tr&gt;&lt;td colspan='2' id='error'&gt;&lt;span class='error_maps'&gt;Erreur lors du chargement des marqueurs&lt;/span&gt;&lt;td&gt;&lt;tr&gt;"); } else { alert(data); var obj = jQuery.parseJSON( data ) alert (obj.count); } } }); </code></pre> <p>JSON returns by server:</p> <pre><code>{"count":"371","marker":{"name":"WAMPFLER","lat":"49.02751610","lon":"2.10611230"}} </code></pre> <p>Function <code>alert(data)</code> returns my JSON, but if I try to parse it with <code>jQuery.parseJSON( data )</code>, It doesn't work and <code>alert(obj.count);</code> doesn't open.</p> <p><strong>EDIT</strong></p> <p>I have add error function:</p> <pre><code>error: function (XMLHttpRequest, textStatus, errorThrown) { alert("XMLHttpRequest="+XMLHttpRequest.responseText+"\ntextStatus="+textStatus+"\nerrorThrown="+errorThrown); }, </code></pre> <p>And error occured :</p> <pre><code>XMLHttpRequest={"count":"358"} textStatus=parsererror errorThrown=Invalid JSON: {"count":"358"} </code></pre> <p><strong>EDIT</strong></p> <p>If I had <code>contentType: "application/json",</code> in my AJAX, I can return a static string which is considered as json, but if I try to execute other php code on my server, AJAX returns an <code>500 Internal server error</code></p>
 

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