// GET: Admin/ContentAdmin
public ActionResult Index(int?page, string searchString = null)
{
var listContent = _contentServices.ListAllByName(searchString);
int pageSize = 10;
int pageNumber = (page ?? 1);
var listContentPaged = listContent.ToPagedList(pageNumber, pageSize);
ViewBag.Category = _contentServices.GetContentCategory();
return(View(listContentPaged));
}