public IActionResult Index(int pageId = 1, string filter = ""
, string getType = "all", string orderByType = "date",
int startPrice = 0, int endPrice = 0, List <int> selectedGroups = null)
{
ViewBag.getType = getType;
ViewBag.pageId = pageId;
ViewBag.Groups = _courseSerervice.GetAllGroup();
ViewBag.selectedGroups = selectedGroups;
return(View(_courseSerervice.GetCourse(pageId, filter, getType, orderByType, startPrice, endPrice,
selectedGroups, 9)));
}
public IActionResult Index()
{
return(View(_courseSerervice.GetCourse()));
}