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POExt.Ajax.request callbacks never called when isUpload is true
 

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    <p>I'm using ExtJS to make a form that generates a report from the data in the database in CSV format. After the user chooses a simple range of dates to extract the data and submits, running the following code :</p> <pre><code>var frm = document.createElement('form'); frm.id = 'frmDummy'; frm.name = id; document.body.appendChild(frm); Ext.MessageBox.wait('Generating CSV File ...'); Ext.Ajax.request({ url: 'csv_extract_ajax.php?start_time='+txtDateFieldFrom.getRawValue()+'&amp;end_time='+txtDateFieldTo.getRawValue(), method : 'POST', form: Ext.fly('frmDummy'), isUpload: true, success: function(o, r, n){ Ext.MessageBox.updateProgress(1); Ext.MessageBox.hide(); }, failure: function(o, r, n){ Ext.MessageBox.updateProgress(1); Ext.MessageBox.hide(); }, callback: function(o, r, n){ Ext.MessageBox.updateProgress(1); Ext.MessageBox.hide(); }, scope: this }); </code></pre> <p>The associated php file simple outputs a CSV string, working file.</p> <p>Since the isUpload is true, it seems that the callback is never returned to the user. As soon as I remove it, the callback is called but the file is not uploaded to the client. </p> <p>The problem now, everything is working perfectly but the MessageBox never disappears since the callbacks are never called (success, failure or callback)</p> <p>Any idea ? :P</p> <p><strong>Additional info:</strong></p> <p>PHP header :</p> <pre><code>header("Pragma: public"); header("Expires: 0"); header("Cache-Control: private"); header("Content-type: application/octet-stream"); header("Content-Disposition: attachment; filename=$filename"); header("Accept-Ranges: bytes"); </code></pre>
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