public async Task<IActionResult> Latest(int p = 1)
{
if (p <= 0) p = 1;
var data = new PostData(Db);
var model = await data.LatestAsync(p);
if (model == null) Redirect("/");
ViewBag.PageCount = data.PageCount;
ViewBag.PageNo = p;
ViewBag.PagingUrl = "/Latest/{p}";
return View("Index",model);
}
