public ActionResult Index(int id = 0)
{
var ops = new BlogPostOperations();
var vm = new HomeIndexViewModel();
//vm.BlogPosts = ops.GetBlogPosts();
vm.Categories = ops.GetAllCategories();
vm.StaticPages = ops.GetAllStaticPages();
// paging
var posts = ops.GetBlogPosts();
vm.PostTotal = posts.Count;
vm.RouteID = id;
vm.BlogPosts = posts.Skip(id * 5).Take(5).ToList();
return(View(vm));
}