public FileResult DownloadCV(int id)
 {
     try
     {
         var response    = _candidatoService.DownloadLastCV(id);
         var contentType = GetContentType(response.NombreCV);
         var rutaReal    = System.IO.Path.Combine(response.UrlCV, response.CandidaturaId.ToString());
         return(File(rutaReal + SeparatorBar + response.NombreCV, contentType, response.NombreCV));
     }
     catch
     {
         return(null);
     }
 }