public ActionResult ParticipantVideoGallery(GalleryViewModel model)
        {
            byte[] bytes1;
            using (BinaryReader br = new BinaryReader(model.GalleryData.UploadedPost.InputStream))
            {
                bytes1 = br.ReadBytes(model.GalleryData.UploadedPost.ContentLength);
            }
            try {
                model.GalleryData.PostId = Guid.NewGuid();
                model.GalleryData.UserId = User.Identity.GetUserId();
                model.GalleryData.Id     = Guid.NewGuid();
                var    filename  = Path.GetFileName(model.GalleryData.UploadedPost.FileName);
                string extension = filename.Split('.').Last();
                model.GalleryData.VideoData   = bytes1;
                model.GalleryData.ContentType = extension;

                OrganiserBasicDetailsServices organizerBasicdetail = new OrganiserBasicDetailsServices();
                var result = organizerBasicdetail.SaveParticipantGalleryVideo(SessionToken, model);
            }
            catch (Exception ex)
            {
                return(View("~/Views/Errorpage/Errorpage.cshtml"));
            }

            return(RedirectToAction("ParticipantVideoGallery", "Participants"));
        }