public ActionResult Edit(int? id) { DesignColourConsumptionHeaderViewModel bvm = new DesignColourConsumptionHeaderViewModel(); bvm.EntryMode = "Edit"; if (id != null && id != 0) { bvm = _BomDetailService.GetDesignColourConsumptionHeaderViewModel((int)id); } PrepareViewBag(); if (bvm == null) { return HttpNotFound(); } return View("Create", bvm); }