public ActionResult Index()
        {
            var               cardData = new FileUpload();
            List <Card>       cardLst  = cardData.GetCardData();
            List <FileDetail> fileLst  = cardData.GetFileData();

            ViewModel model = new ViewModel();

            model.GST_Card       = cardLst;
            model.GST_FileDetail = fileLst;
            return(View(model));
        }
        public ViewModel GetViewModel()
        {
            var               cardData = new FileUpload();
            List <Card>       cardLst  = cardData.GetCardData();
            List <FileDetail> fileLst  = cardData.GetFileData();

            ViewModel model = new ViewModel();

            model.GST_Card       = cardLst;
            model.GST_FileDetail = fileLst;
            return(model);
        }