public ActionResult Index(int?id)
{
Pagintation paginat = new Pagintation(id);
var request = (from c in db.preposts
orderby c.id descending
select c).Skip(paginat.firstElement).Take(elementPage);
List <preposts> content = request.ToList();
ListContent listContent = new ListContent(content);
ViewBag.Preposts = listContent.GetCardPage(elementLine);
ViewBag.Pagination = paginat;
return(View());
}