var file = model.ImageFile;

        if (file != null)
        {

            file.SaveAs(Server.MapPath("/path/" + file.FileName));

        }

        return Json(imageId, JsonRequestBehavior.AllowGet);

    }

$.ajax({
        type: "Post",
        url: "@Url.Action("RMAImageUpload", "ImageStores")",
        data: formData,
        datatype: "json",
        processData: false,
        contentType: false,
        success: function(response) {
            ClearPreview();
            $("#uploadedImage")
                .append('<img src="/UploadedImage/' + response + '" class="img-responsive thumbnail"/>');
        }
    });