public ActionResult Index(int?page)
{
int pageIndex = PagingHelper.GetPageIndex(page);
ShiftSearchModel q = new ShiftSearchModel();
IShiftService ss = new ShiftService(Settings.Default.db);
IPagedList <Shift> models = ss.Search(q).ToPagedList(pageIndex, Settings.Default.pageSize);
ViewBag.Query = q;
ShiftInfoModel info = ss.GetShiftInfo(q);
ViewBag.Info = info;
return(View(models));
}