public async Task OnGet(string id)
 {
     try {
         if (id == null)
         {
             TagName = HttpContext.Session.GetString("tagName");
         }
         else
         {
             TagName = id;
             HttpContext.Session.SetString("tagName", id);
         }
         User    = new User(HttpContext.Session.GetString("userId"));
         Recipes = Inf.GetTagsRecipes(TagName, User);
     } catch (Exception) {
         RedirectToPage("ErrorPage");
     }
 }