public function postStudentsAttendence()
 {
     //  Request $request
     // return $GetStudents;
     $dateTime = Input::get('date');
     $clasId = Input::get('class');
     $sectionName = Input::get('section');
     $today = date("Y-m-d");
     $data1 = Attendence::where('institute_code', '=', Auth::user()->institute_id)->where('type', '=', 'Student')->where('created_at', 'LIKE', "%{$today}%")->get();
     if ($data1->count() == 0) {
         # code...
         $GetStudents = students::where('institute_code', '=', Auth::user()->institute_id)->where('class', '=', $clasId)->where('section', '=', $sectionName)->get();
         foreach ($GetStudents as $key => $value) {
             //return $data1->count();
             $stdAtn = new Attendence();
             $stdAtn->institute_code = Auth::user()->institute_id;
             $stdAtn->uid = $value->st_id;
             $stdAtn->type = "Student";
             $stdAtn->status = 0;
             $stdAtn->save();
             //return redirect()->back();
         }
         return view('admin.attendence.studentsAttendence')->with('allclass', $this->getallclass())->with('GetStudents', $GetStudents)->with('sectionName', $sectionName)->with('classId', $clasId)->with('dateTime', $dateTime);
     } else {
         # code...
         $GetStudents = DB::table('tbl_studets')->join('tbl_attendence', 'tbl_studets.st_id', '=', 'tbl_attendence.uid')->select('tbl_studets.*', 'tbl_attendence.*')->where('tbl_attendence.institute_code', '=', Auth::user()->institute_id)->where('tbl_studets.institute_code', '=', Auth::user()->institute_id)->where('tbl_attendence.type', '=', 'Student')->where('tbl_attendence.created_at', 'LIKE', "%{$today}%")->get();
         return view('admin.attendence.studentsAttendence')->with('allclass', $this->getallclass())->with('GetStudents', $GetStudents)->with('sectionName', $sectionName)->with('classId', $clasId)->with('dateTime', $dateTime);
     }
     //return $GetStudents;
 }