SolrNet autosuggest query

solrnet_autosuggestquery.cs

        public string AutoSuggest(string query)
        {
            const int maxResults = 10;
            const int startpage = 1;

            var solr = ServiceLocator.Current.GetInstance<ISolrOperations<Item>>();
            var options = new QueryOptions
            {
                Rows = maxResults,
                Start = (startpage - 1)*maxResults
            };
            var results = solr.Query(query, options);

            //Sort products after ProductName ASC and strip ",*
            var itemList = results.ToList().OrderBy(x => x.ItemName.Replace("\"", "").Replace("*", ""));

            var result = (from r in itemList
                where r.ItemName.ToLower().Contains(query.ToLower())
                select new {r.ItemName}).Distinct().OrderBy(x => x.ItemName);
            return result.ToJson();
        }