public IActionResult sortby(string value) { ThucDonViewModel dstd = new ThucDonViewModel(db); var td = dstd.GetAllData(); if (value == ("Name")) { ViewBag.ListProduct = dstd.SortByName(); return(PartialView("_viewresultSortBy", ViewBag.ListProduct)); } if (value == ("Price")) { ViewBag.ListProduct = td.OrderBy(p => p.Gia); return(PartialView("_viewresultSortBy", ViewBag.ListProduct)); } ViewBag.ListProduct = td; return(PartialView("_viewresultSortBy", ViewBag.ListProduct)); }