StudentsMemberInAllCourses() публичный Метод

public StudentsMemberInAllCourses ( ) : ObjectResult
Результат ObjectResult
 public ObservableCollection<Model.Person> SelectStudentsMemberInAllCourses()
 {
     using (var db=new EducationCourses())
     {
         return new ObservableCollection<Person>(db.StudentsMemberInAllCourses());
     }
 }