public async Task <IActionResult> UserArticle(string?UserName) { List <Article> articles; if (UserName == null) { articles = await _articleRepository.FindAllbyName(User.Identity.Name); } else { articles = await _articleRepository.FindAllbyName(UserName); } if (articles.Count == 0) { ViewData["Tags"] = "Нет статей"; } else { ViewData["Tags"] = "Статьи"; } return(View("Index", articles)); }