public ActionResult KeyWordsList(string term) // have to use parameter named 'term'
{
List <string> addresskeys = new List <string>();
List <string> cuisinekeys = new List <string>();
List <string> productkeys = new List <string>();
List <string> toppingkeys = new List <string>();
List <string> dressingkeys = new List <string>();
addresskeys = BizInfoRepository.GetBizAddressKeywords(true);
cuisinekeys = BizCuisineRepository.GetCuisineKeywoods(true).Union(addresskeys).ToList();
toppingkeys = ProductToppingRepository.GetToppingKeywoods(true).Union(cuisinekeys).ToList();
dressingkeys = ProductDressingRepository.GetDressingKeywoods(true).Union(toppingkeys).ToList();
productkeys = ProductRepository.GetProductKeywoods(true).Union(dressingkeys).ToList();
productkeys.Distinct().ToList().Sort();
string[] keys = productkeys.ToArray();
return(this.Json(keys.Where(t => t.ToUpper().Contains(term.ToUpper())), JsonRequestBehavior.AllowGet));
}