public ViewResult Show(string sortOrder, string currentFilter, string searchString, int?page)
{
ViewBag.CurrentSort = sortOrder;
ViewBag.NameSortParm = String.IsNullOrEmpty(sortOrder) ? "name_desc" : "";
if (searchString != null)
{
page = 1;
}
else
{
searchString = currentFilter;
}
ViewBag.CurrentFilter = searchString;
List <Promotion> promotions = promotionManager.GetAll().ToList();
var promotion = from s in promotions
select s;
if (!String.IsNullOrEmpty(searchString))
{
promotion = promotion.Where(s => s.PromotionFor.Contains(searchString));
}
switch (sortOrder)
{
case "name_desc":
promotion = promotion.OrderByDescending(s => s.PromotionFor);
break;
default: // Name ascending
promotion = promotion.OrderBy(s => s.PromotionFor);
break;
}
int pageSize = 10;
int pageNumber = (page ?? 1);
return(View(promotion.ToPagedList(pageNumber, pageSize)));
}
