public ActionResult Index(int page = 1, string keyword = null)
{
int pageSize = 10;
var list = _campusService.GetListAsync(page, pageSize, keyword);
ViewBag.Total = list.Total;
ViewBag.PageIndex = page;
ViewBag.TotalPages = Math.Ceiling(list.Total * 1.0 / pageSize);
ViewBag.Keyword = keyword;
return(View(list.Data));
}