public ActionResult ViewBySupplier(string supID) { PhoneDAO dao = new PhoneDAO(); SupplierDAO daoSup = new SupplierDAO(); Session["MANAGE"] = "Shop"; ViewData["SUPPLIER"] = daoSup.GetSupplier(supID); ViewData["PHONE"] = dao.GetAllCurrentPhoneBySup(supID); return(View("Index")); }