public function xlsFileYear()
 {
     $namefile = date('Yh:i:s') . "_Registration";
     Excel::create($namefile, function ($excel) {
         // Set the title
         $excel->setTitle('NMK Roadshow Registration Form');
         // Chain the setters
         $excel->setCreator('NMK Application')->setCompany('NMK');
         // Call them separately
         $excel->setDescription('This file has roadshow registration record');
         $excel->sheet('Excel sheet', function ($sheet) {
             $roadshow_registration = RoadshowRegistration::whereBetween('created_at', [Input::get("sd"), Input::get("ed")])->get();
             $sheet->setStyle(array('font' => array('name' => 'Calibri', 'size' => 13)));
             $sheet->row(1, array('Name', 'Email', 'Phone', 'Position', 'Company', 'Session', 'Roadshow', 'Status'));
             foreach ($roadshow_registration as $key => $value) {
                 $sheet->row(1, function ($row) {
                     // call cell manipulation methods
                     $row->setBackground('#888888');
                     $row->setFont(array('family' => 'Calibri', 'size' => '16', 'bold' => true));
                 });
                 $sheet->rows(array(array($value->name, $value->email, $value->phone, $value->position, $value->company, $value->session, $value->raodshow, $value->status)));
             }
             //$sheet->fromModel($roles);
             // $sheet->fromArray(array(
             //     array('Name', 'Phone','Email','Job Title','Company','Intrested Brand','Intrested Seminiar'),
             //     $leads
             // ));
             $sheet->setOrientation('landscape');
         });
     })->export('xls');
 }