Trouble uploading file ASP.NET MVC3. XML file to Model

Question

I'm attempting to upload an xml file to my site. However, regardless of which file I attempt to upload, the HttpPostedFileBase element in my code is null. I don't understand why this is. I've followed all the examples I can find on uploading files and it doesn't seem to make any sense. This is the controller method

[HttpPost]
    public ActionResult UploadFile(HttpPostedFileBase xmlFile)
    {
        if (xmlFile != null && xmlFile.ContentLength > 0)
        {
            XmlDocument xmlDoc = new XmlDocument();
            xmlDoc.Load(xmlFile.InputStream);
            // other logic later
            return RedirectToAction("Index");
        }
        return RedirectToAction("UploadFailed");    
    }

and the cshtml:

@{
ViewBag.Title = "Upload";
}

@using (Html.BeginForm("UploadFile", "Home", FormMethod.Post, new { enctype = "multipart/form-data"   }))
{
<input type="file" name="file" />
<input type="submit" value="OK" />

}

Darin Dimitrov · Accepted Answer · 2012-03-01 22:40:48Z

2

It has a wrong name. The action argument is called xmlFile whereas your file input is called file. You need to be consistent in your naming conventions:

<input type="file" name="xmlFile" />

I also invite you to checkout Phil Haack's blog post on this subject.

answered Mar 1, 2012 at 22:40

Darin Dimitrov

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