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POie javascript form submit with file input
 

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  1. POie javascript form submit with file input
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    <p>I have a html form, with a custom file upload field. And by that I mean that I have moved the actual file field beyond the borders of the page with css, that I have a custom input field and button in place, and that I have a jquery click event attached to that custom button to trigger the file input dialog. It all works fine, in every browser.</p> <p>But I need to submit the form through javascript. And I got somewhere that IE remembers my actions with javascript as a malicious manipulation of the file input field and blocks my access with an error <code>"access denied"</code> when I invoke <code>document.formName.submit()</code>.</p> <p>Is there a way around this, because I have gone completely mad by trying to search for a solution. I seriously don't want to use the default file input field, as every browsers renders it differently and messes up my design..</p> <p>code:</p> <pre><code>&lt;form name="thisForm" onsubmit="return false;" enctype="multipart/form-data" method="post" action="index.cfm/somepage"&gt; &lt;input type="file" class="hidden" name="hidden" id="hidden" /&gt; &lt;input type="text" name="shown" id="shown" /&gt; &lt;button id="button"&gt;browse..&lt;/button&gt; &lt;input type="submit" id="submitForm" /&gt; &lt;/form&gt; &lt;script&gt; $('button').click(function(){ $('#shown').val($('#hidden').val()); }); $('submitForm').click(function(){ validateForm(); }); function validateForm() { //regular expression validation against all other input fields in the form //not the file input field validateVAT(); } function validateVAT() { //connect to external service to check VAT submitForm(); } function submitForm() { document.thisForm.submit(); } &lt;/script&gt; </code></pre> <p><strong>UPDATE:</strong> I just tried to first upload the file, before submitting the form, through ajax, but that also gave me the acces denied error.. >_></p>
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    1. COCan you post your file field manipulation code? I've never seen that error from IE before!
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    2. COThis article addresses styling options for file inputs and JS solutions that may help: http://www.quirksmode.org/dom/inputfile.html
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      1. USDiodeus - James MacFarlane
    3. COadrianlynch: the code (in its basic form) is there already: the first click event. I only transfer the value of the hidden field to the visible input field. diodeus: that won't work, it basically does what I do, getting the value from the hidden field..
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