public ActionResult Index(string searchKey, DateTime?fromDate, DateTime?toDate, int?pageIndex)
{
var model = _Service.All(searchKey, fromDate, false, toDate, pageIndex, 20);
int totalPage = model?.Total ?? 0;
ViewBag.TotalPage = totalPage;
ViewBag.pageIndex = pageIndex ?? 1;
ViewBag.SearchKey = string.IsNullOrWhiteSpace(searchKey) ? string.Empty : searchKey;
ViewBag.FromDate = fromDate?.ToString("MM/dd/yyyy") ?? null;
ViewBag.ToDate = toDate?.ToString("MM/dd/yyyy") ?? null;
ViewBag.Quanlyvanban = "active";
return(View(model?.Documents ?? new List <Document>()));
}