public void Insert(DataSet dataSet,int taskId)        {            StructureData(dataSet);            foreach (DataTable table in dataSet.Tables)            {                string indexName = string.Format("mailtask{0}",taskId);                string typeName = string.Format("{0}info",table.TableName);                               //                string js= JsonConvert.SerializeObject(table);                dynamic dc = JsonConvert.DeserializeObject<dynamic>(js);                IndexManyExtensions.IndexManyAsync(SimpleClient.Client, dc, indexName, typeName);                //SimpleClient.Client.IndexMany(dc, indexName, typeName);            }        }        private void StructureData(DataSet dataSet)        {            DateTime sendTime = DateTime.Now;            foreach (DataTable table in dataSet.Tables)            {                table.Columns.Add(new DataColumn("SendTime",typeof(DateTime)) {DefaultValue =http://www.mamicode.com/ sendTime});            }        }