public ActionResult SeekOnePerson(string id) { //string _id = Request.QueryString["id"].ToString(); if (string.IsNullOrEmpty(id)) { return(View(new Person() { _id = default(ObjectId), Name = "",//1 Salary = default(double), Address = new List <string>() })); } ObjectId _id; ObjectId.TryParse(id, out _id); Person person = pDal.SelectSinglePerson(_id); return(View(person)); //return View(); }