public ActionResult Index(string id)
{
ViewBag.ListCategory = listProductCategory;
ViewBag.ListSupplier = listSupplierInfo;
string strFilterString = "";
string strPageIndex = "1";
string strPageSize = "30";
string strSortField = "";
bool IsASC = true;
IList <Model.ProductInfo> listProd = null;
listProd = bll.GetProduct(strFilterString, strPageIndex, strPageSize, strSortField, IsASC);
return(View(listProd));
}