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POIssue with AJAX Upload Script in mvc
 

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    <p>I found this ajax file upload script here <a href="http://www.phpletter.com/Demo/AjaxFileUpload-Demo/" rel="nofollow">http://www.phpletter.com/Demo/AjaxFileUpload-Demo/</a></p> <p>Which is supposed to add ajax functionality to my file upload form</p> <pre><code>&lt;div id="dialog" title="Upload Image"&gt; &lt;% Html.BeginForm("Upload", "BugTracker", FormMethod.Post,new { id="uploadForm", enctype = "multipart/form-data"}); %&gt; Select a file: &lt;input type="file" name="file" id="file" /&gt; &lt;h6&gt;Upload a screenshot related to the ticket&lt;/h6&gt; &lt;input type="submit" class="button" value="Upload" id="upload" onclick="uploadImage();" name="submit" /&gt; &lt;%Html.EndForm();%&gt; &lt;/div&gt; </code></pre> <p>And I have set up a function to be called when my upload form is submitted like so:</p> <pre><code>function uploadImage() { var action = $("#uploadForm").attr('action'); $.ajaxFileUpload({ url: action, secureuri: false, fileElementId: 'file', dataType: 'json', success: function (data, status) { $("#RelatedFileName").val() = data.FileName; $("#dialog").dialog("close"); } }); return false; } </code></pre> <p>but it is skipping right over the success callback function, and the browser asks if I would like to download the json file. Here's a peek at my upload action:</p> <pre><code> [HttpPost] public ActionResult Upload(HttpPostedFileBase file) { Regex imageFilenameRegex = new Regex(@"(.*?)\.(jpg|jpeg|png|gif)$"); if (file != null) { if (!imageFilenameRegex.IsMatch(file.FileName)) { return JavaScript("alert('invalid file. you must upload a jpg, jpeg, png, or gif');"); } else { string filePath = Path.Combine(HttpContext.Server.MapPath("~/Uploads"), Path.GetFileName(file.FileName)); file.SaveAs(filePath); return Json(new { FileName = "/Uploads/" + file.FileName }); } } else { return JavaScript("alert('seriously? select a file to upload before hitting the upload button.');"); } } </code></pre> <p>I've used jQuery.post and it will hit the controller action but file will be null, but at least errors would pop up in their alert boxes, so that is why I sought out another option. Now it hits the controller action and the file gets uploaded, but it isn't handling any response. Any help is appreciated.</p>
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