PsProductDataContext db = new PsProductDataContext(); public List<PsProduct> StaticReport()        {            return (from c in db.PsProduct                   select c.ShCompanyName).ToList();        }這段代碼系統(tǒng)報(bào) 無法將類型“system.collection .generic.list<string>隱士轉(zhuǎn)換為system.collection .generic.list<qdrkProductMvc.Models.PsProduct>，我把代碼改為  public IQueryable<PsProduct> StaticReport()        {            return from c in db.PsProduct                   select c.ShCompanyName;        }還是報(bào)相同的錯(cuò)，請高手指教；我用viewdata["ss"]=(... select c.ShCompanyName).ToList().在view中用foreach (List<Object> item in ViewData["ti"] as List<Object>)進(jìn)行遍歷，確報(bào)了未將對象運(yùn)用到實(shí)例的錯(cuò)。迷糊。