public async Task <IHttpActionResult> UploadFileToDB(List <UploadFilesList> uploadfiles)
        {
            if (!ModelState.IsValid)
            {
                return(BadRequest(ModelState));
            }
            try
            {
                UploadRepository uploadRepo = new UploadRepository();
                var result = await uploadRepo.UploadFileToDB(uploadfiles);

                return(Ok(result));
            }
            catch (Exception ex)
            {
                return(null);
            }
        }