public ActionResult UpdatePerson(int id, string region)
{
    try
    {
        // 수정할 데이터를 선택합니다.
        var peopleDB = new PeopleDB();
        var willUpdate = peopleDB.People.Single(x => x.Id == id);

        // 수정합니다.
        willUpdate.Region = region;
        peopleDB.SubmitChanges();
        return Content("UPDATE SUCCESS");
    }
    catch (Exception exception)
    {
        return HttpNotFound();
    }
}
public ActionResult DeletePerson(int id)
{
    try
    {
        // 삭제할 데이터를 선택합니다.
        var peopleDB = new PeopleDB();
        var willDelete = peopleDB.People.Single(x => x.Id == id);

            
        // 삭제합니다.
        peopleDB.People.DeleteOnSubmit(willDelete);
        peopleDB.SubmitChanges();
        return Content("DELETE SUCCESS");
    }
    catch (Exception excception)
    {
        return HttpNotFound();
    }
}
 public ActionResult InsertPerson(string name, string gender, string region, string bloodType)
 {
     // 테이블에 입력할 데이터를 만듭니다.
     var willAdd = new People();
     willAdd.Name = name;
     willAdd.Gender = gender;
     willAdd.Region = region;
     willAdd.BloodType = bloodType;
     try
     {
         // 테이블에 데이터를 집어넣습니다.
         var peopleDB = new PeopleDB();
         peopleDB.People.InsertOnSubmit(willAdd);
         peopleDB.SubmitChanges();
         return Content("INSERT SUCCESS");
     }
     catch (Exception exception)
     {
         // 데이터 입력에 실패할 경우
         return HttpNotFound();
     }
 }
 public ActionResult GetPeopleJSON()
 {
     var peopleDB = new PeopleDB();
     return Json(peopleDB.People, JsonRequestBehavior.AllowGet);
 }