public IActionResult Create(NewsArticleCreateViewModel viewModel)
        {
            NewsArticle newsArticle = new NewsArticle
            {
                ID           = viewModel.NewsArticle.ID,
                Title        = viewModel.NewsArticle.Title,
                Body         = viewModel.NewsArticle.Body,
                DateCreated  = DateTime.Now,
                DateModified = null,
                CreatedByID  = userManager.GetUserAsync(HttpContext.User).Result.Id,
                CreatedBy    = userManager.GetUserAsync(HttpContext.User).Result,
                CategoryID   = viewModel.NewsArticle.CategoryID ?? null
            };

            newsArticleService.Insert(newsArticle);
            return(RedirectToAction("Index"));
        }