การปรับค่าในexcel ที่กำลัง ออกรายงานมาใช้งานต้องปรับยังไหงครับ

    public function report()
    {

        // LOAD SESSION DATA
        $session_data = $this->session->userdata('userLogData');
        $session_search = $this->session->userdata('searchData');

        $key = array($session_search['category_id'],$session_search['sub_category_id'],$session_search['keyword']);

        // LOAD DATA
        $assetObj = $this->productModel->getAssetReportList($key);

        $this->myexcel->setActiveSheetIndex(0);

        // HEADER
        $this->myexcel->getActiveSheet()->setCellValue('A1', 'ลำดับ');
        $this->myexcel->getActiveSheet()->setCellValue('B1', 'หมวด');
        $this->myexcel->getActiveSheet()->setCellValue('C1', 'ประเภทหลัก');
        $this->myexcel->getActiveSheet()->setCellValue('D1', 'ประเภทย่อย');
        $this->myexcel->getActiveSheet()->setCellValue('E1', 'รายละเอียด');
        $this->myexcel->getActiveSheet()->setCellValue('F1', 'รหัสครุภัณฑ์');
        $this->myexcel->getActiveSheet()->setCellValue('G1', 'ราคา');
        $this->myexcel->getActiveSheet()->setCellValue('H1', 'วันที่จัดซื้อ');
        $this->myexcel->getActiveSheet()->setCellValue('I1', 'วันที่เริ่มประกัน');
        $this->myexcel->getActiveSheet()->setCellValue('J1', 'วันที่หมดประกัน');
        $this->myexcel->getActiveSheet()->setCellValue('K1', 'ผู้รับผิดชอบ');
        $this->myexcel->getActiveSheet()->setCellValue('L1', 'แผนกที่รับผิดชอบ');
        $this->myexcel->getActiveSheet()->setCellValue('M1', 'สถานที่จัดเก็บ');
        $this->myexcel->getActiveSheet()->setCellValue('N1', 'สถานะ');
        $this->myexcel->getActiveSheet()->setCellValue('O1', 'หมายเหตุ');

        // SET COLUMN WIDTH
        $this->myexcel->getActiveSheet()->getColumnDimension('A')->setWidth(10);
        $this->myexcel->getActiveSheet()->getColumnDimension('B')->setWidth(15);
        $this->myexcel->getActiveSheet()->getColumnDimension('C')->setWidth(20);
        $this->myexcel->getActiveSheet()->getColumnDimension('D')->setWidth(20);
        $this->myexcel->getActiveSheet()->getColumnDimension('E')->setAutoSize(true);
        $this->myexcel->getActiveSheet()->getColumnDimension('F')->setWidth(20);
        $this->myexcel->getActiveSheet()->getColumnDimension('G')->setWidth(20);
        $this->myexcel->getActiveSheet()->getColumnDimension('H')->setWidth(20);
        $this->myexcel->getActiveSheet()->getColumnDimension('I')->setWidth(20);
        $this->myexcel->getActiveSheet()->getColumnDimension('J')->setWidth(20);
        $this->myexcel->getActiveSheet()->getColumnDimension('K')->setWidth(20);
        $this->myexcel->getActiveSheet()->getColumnDimension('L')->setWidth(20);
        $this->myexcel->getActiveSheet()->getColumnDimension('M')->setWidth(20);
        $this->myexcel->getActiveSheet()->getColumnDimension('N')->setWidth(20);
        $this->myexcel->getActiveSheet()->getColumnDimension('O')->setAutoSize(true);

        // SET ALIGNMENT
        $this->myexcel->getActiveSheet()->getStyle('A1:O1')->getAlignment()->setHorizontal(PHPExcel_Style_Alignment::HORIZONTAL_CENTER);

        $i = 2;
        foreach ($assetObj as $assetList) {

            // CONFIG SOLD DATE
            $txtSoldDate = $assetList->soldDate > '0000-00-00 00:00:00'?$this->mydatesystem->thaiDate($assetList->soldDate, 1):'';

            // CONFIG WARRNTY DATE
            $txtStartDate = $assetList->startDate > '0000-00-00'?$this->mydatesystem->thaiDate($assetList->startDate, 1):'';
            $txtEndDate = $assetList->endDate > '0000-00-00'?$this->mydatesystem->thaiDate($assetList->endDate, 1):'';
            $value = !empty($assetList->value)?$assetList->value:0;

            $this->myexcel->getActiveSheet()->setCellValue('A' . $i, $assetList->asset_id);
            $this->myexcel->getActiveSheet()->setCellValue('B' . $i, $assetList->catType);
            $this->myexcel->getActiveSheet()->setCellValue('C' . $i, $assetList->catName);
            $this->myexcel->getActiveSheet()->setCellValue('D' . $i, $assetList->subTypeName);
            $this->myexcel->getActiveSheet()->setCellValue('E' . $i, $assetList->detail);
            $this->myexcel->getActiveSheet()->setCellValue('F' . $i, $assetList->code);
            $this->myexcel->getActiveSheet()->setCellValue('G' . $i, number_format($value, 2));
            $this->myexcel->getActiveSheet()->setCellValue('H' . $i, $txtSoldDate);
            $this->myexcel->getActiveSheet()->setCellValue('I' . $i, $txtStartDate);
            $this->myexcel->getActiveSheet()->setCellValue('J' . $i, $txtEndDate);
            $this->myexcel->getActiveSheet()->setCellValue('K' . $i, $assetList->owner);
            $this->myexcel->getActiveSheet()->setCellValue('L' . $i, $assetList->depName);
            $this->myexcel->getActiveSheet()->setCellValue('M' . $i, $assetList->location);
            $this->myexcel->getActiveSheet()->setCellValue('N' . $i, $assetList->statName);
            $this->myexcel->getActiveSheet()->setCellValue('O' . $i, $assetList->remark);

            $this->myexcel->getActiveSheet()->getStyle('A'.$i.':C'.$i)->getAlignment()->setHorizontal(PHPExcel_Style_Alignment::HORIZONTAL_CENTER);
            $this->myexcel->getActiveSheet()->getStyle('D'.$i.':O'.$i)->getAlignment()->setHorizontal(PHPExcel_Style_Alignment::HORIZONTAL_CENTER);

            $i++;
        }

        // RENAME WORKSHEET
        $this->myexcel->getActiveSheet()->setTitle('dpAssetReport');

        // Redirect output to a client’s web browser (Excel2007)
        $filename = date('YmdHis').rand(000000, 999999);

        header('Content-Type: application/vnd.ms-excel');
        header('Content-Disposition: attachment;filename="'.$filename.'.xls"');
        header('Cache-Control: max-age=0');

        $objWriter = PHPExcel_IOFactory::createWriter($this->myexcel, 'Excel5');
        $objWriter->save('php://output');

        exit;
    }

    // ==================================================================
    //  AJAX FUNCTION TO LOAD DYNAMIC DATA TO PAGE
    // ==================================================================