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POFile upload problem/bug in MVC 3
 

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  1. POFile upload problem/bug in MVC 3
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    <p>I'm having the weirdest problem with file uploads in ASP.NET MVC 3. When I start a new project with the default project template (Internet application) with Razor and add the following to /views/home/index.cshtml</p> <pre><code>&lt;form action="/Home/Index" method="post" enctype="multipart/form-data"&gt; &lt;input type="file" name="upfile" /&gt; &lt;input type="submit" value="post" /&gt; &lt;/form&gt; </code></pre> <p>the upload fails (firebug shows status 'Aborted') whenever I try to upload a file. Some extra info:</p> <ul> <li>Windows 7 / 64bit</li> <li>Cassini</li> <li>VS SP1</li> <li>It happens in both Firebug 6.0.2 and IE8</li> </ul> <p>Controller code:</p> <pre><code>public class HomeController : Controller { public ActionResult Index() { ViewBag.Message = "Welcome to ASP.NET MVC!"; return View(); } public ActionResult About() { return View(); } </code></pre> <p>}</p> <p>I've been debugging this for a bit and already found out the following:</p> <ul> <li>it only happens for files > ~120kb</li> <li>if I add a target Action with attribute [HttpPost] upload succeeds</li> <li>if I debug using fiddler (proxy) upload succeed</li> <li>if I use aspx and add the same code, upload succeeds</li> <li>for aspx/razor, all file are identical, except for (of course) the files in /Views but not /Views/Web.config</li> </ul> <p>Has anyone else experienced this problem, and what is causing it?</p> <p><strong>update:</strong> I know I should use a separate action and mark it with HttpPost, that's not why I'm asking this question. I'm looking for the <strong>reason</strong> why this doesn't work, not how to solve it.</p>
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    1. CO"if I add a target Action with attribute [HttpPost] upload succeeds" Possible silly question here but are you trying to post this to an action that is not explicitly marked as HttpPost? And if you are, is there a reason why you don't want to mark it as HttpPost?
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    2. COso when you do what is recommended (decorating your methods with post/get/etc) it works? go figure? how about posting your controller code?
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      1. USAdam Tuliper - MSFT
    3. COThat is indeed what I'm trying to do. I could mark it as HttpPost, but I shouldn't have to. I'm just trying to figure out if this behavior is by design (which seems unlikely since the lack of any error reporting), or something else.
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