public IHttpActionResult DeleteStudentDetail(int studentId)
        {
            using (var database = new StudentDbEntities())
            {
                Student stud = new Student();

                stud = student.Students.Find(studentId);
                if (stud == null)
                {
                    return(NotFound());
                }
                var delete = database.spDelete(studentId);
                database.SaveChanges();
            }
            return(Ok(student));
        }