public string soil(string tx_aver, string tx_max, string tx_min, string beginDateTime, string endDateTime) { TempModel temp = new TempModel(); string ret = ""; var begindate = temp.DateTimeTotenDay(beginDateTime); var enddate = temp.DateTimeTotenDay(endDateTime); ret = temp.only_pull_soil(tx_aver,tx_max,tx_min,begindate, enddate); return ret; }