public HttpResponseMessage GetStudentData(int id) { using (StudentDatabaseEntities entities = new StudentDatabaseEntities()) { var entity = entities.StudentDatas.FirstOrDefault(s => s.studentId == id); if (entity != null) { return(Request.CreateResponse(HttpStatusCode.OK, entity)); } else { return(Request.CreateErrorResponse(HttpStatusCode.NotFound, "Student with Id = " + id.ToString() + "not found")); } } // StudentData studentData = db.StudentDatas.Find(id); //if (studentData == null) //{ // return NotFound(); //} //return Ok(studentData); }