public List <CategoryItems> QueryNodesByIndex(string keySpell) { CategoryItems item = new CategoryItems() { IndexSpell = "%" + keySpell + "%" }; DataSet ds = new SqlCmdHelper() { SqlConnString = SqlConnString }.GenerateQuerySqlAndExcute(item.GetQueryByIndexSpell(), item); return(DataHelp.DataReflection.DataSetConvert <CategoryItems>(ds)); }