mvc file upload not work properly in chrome

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MVC5

Hi all,
I have a file upload control in my view which is working perfectly in Firefox. However, its not work proper in chrome. when i click on upload button then file dialog open every time.
Here is my View Code:

   @using (Html.BeginForm("Index", "Upload", FormMethod.Post, new { enctype = "multipart/form-data" }))
        {
 <div class="choose-file">Choose a file to upload:</div>
<div class="input-group">
                                        <span class="input-group-btn">
                                            <span class="btn btn-primary btn-file" style="padding:4px 12px; background:#25374a; height:30px;">
                                                Browse…
                                                <input type="File" id="FileUpload" name="FileUpload" class="button5" />
                                            </span>
                                        </span>
                                        <input type="text" readonly="" style="height:30px; box-shadow:none;" class="form-control">
                                    </div>
}

And here is my Controller Code:

[AcceptVerbs(HttpVerbs.Post)]      
        public ActionResult Index(HttpPostedFileBase FileUpload)
        {
 if (FileUpload.ContentLength > 0)
                {
                    string fileName = Path.GetFileName(FileUpload.FileName);
                    string path = Path.Combine(Server.MapPath("~/App_Data/uploads"), fileName);
                    try
                    {
                        FileUpload.SaveAs(path);
                        dt = ProcessCSV(path);
                        //Process the DataTable and capture the results to our SQL Bulk copy
                        ViewBag.Message = ProcessBulkCopy(dt);
                        Session["rowcnt"] = dt.Rows.Count;
                    }
                    catch (Exception ex)
                    {
                        ViewBag.Message = ex.Message;
                    }
                }
}