update firma controller

application/controllers/FirmaController.php

@@ -110,7 +110,7 @@ class FirmaController extends CI_Controller {
 
 
 	public function consultarPersonal($id){
-		$File = 'C:\xampp\htdocs\firmasCI\system_files\datos_firmas.xlsx';
+		$File = $this->data_file();
 		$reader = \PhpOffice\PhpSpreadsheet\IOFactory::createReader('Xlsx');
 		$spreadsheet= $reader->load($File);
 		$sheet = $spreadsheet->getActiveSheet();