public async Task<ActionResult> Search(SearchModel model)
        {
            PIWebAPIClient client = new PIWebAPIClient("https://myserver/piwebapi");

            string query = model.Option.Equals("all") ? model.Query : model.Option + ":" + model.Query;
            int count = model.Count.HasValue ? (int)model.Count : 10;
            
            try
            {
                dynamic result = await client.SearchAsync(query, null, "name;itemtype;webid", count);
                List<SearchResult> searchResults = new List<SearchResult>();
                for (int i = 0; i < result.Items.Count; i++)
                {
                    SearchResult searchResult = new SearchResult();
                    searchResult.Name = result.Items[i].Name.Value;
                    searchResult.ItemType = result.Items[i].ItemType.Value;
                    searchResult.WebId = result.Items[i].WebID.Value;
                    searchResults.Add(searchResult);
                }
                return View(searchResults);
            }
            catch (Exception)
            {
                return View("Error");
                throw;
            }
            finally
            {
                client.Dispose();
            }
            
        }
        public ActionResult Index()
        {
            SearchModel model = new SearchModel();
            List<SelectListItem> options = new List<SelectListItem>();
            options.Add(new SelectListItem { Text = "all", Value = "all", Selected = true });
            options.Add(new SelectListItem { Text = "name", Value = "name" });
            options.Add(new SelectListItem { Text = "description", Value = "description" });
            options.Add(new SelectListItem { Text = "afcategories", Value = "afcategories" });
            options.Add(new SelectListItem { Text = "afelementtemplate", Value = "afelementtemplate" });
            options.Add(new SelectListItem { Text = "attributename", Value = "attributename" });
            options.Add(new SelectListItem { Text = "attributedescription", Value = "attributedescription" });
            model.Options = options;

            return View(model);
        }