<div class="editor-field">
                @using (Html.BeginForm("Index", "Home", FormMethod.Post, new { enctype = "multipart/form-data" }))
                {
                    <input type="file" name="file" />
                    @Html.ValidationMessageFor(model => model.File)
                }
            </div>

        public ActionResult Create(Contracts contracts, HttpPostedFileBase file)
        {
            if (file != null && file.ContentLength > 0)
            {
                var Name = Path.GetFileName(file.FileName);
                var path = Path.Combine(Server.MapPath("~/App_Data/uploads"), Name);
                file.SaveAs(path);
            }