/**
  * Store a newly created resource in storage.
  *
  * @param  \Illuminate\Http\Request  $request
  * @return \Illuminate\Http\Response
  */
 public function store(Request $request)
 {
     //dd($request->all());
     $input = Input::all();
     $examId = $request->examId;
     $courseId = exam::where('id', '=', $examId)->pluck('course_id');
     //dd($courseId);
     foreach ($input as $traineeId => $mark) {
         if ($traineeId == 0 or $mark == 0) {
             continue;
         } else {
             $this->insertMarks($mark, $traineeId, $examId, $courseId);
         }
     }
     return redirect('/marksheet')->with('status', 'Mark Insert successfully');
 }