using?CM.Site.DAL;
using?System;
using?System.Collections.Generic;
using?System.Data;
using?System.Linq;
using?System.Text;

namespace?CM.Site.BLL
{
????public?class?Data_BLL
????{
????????Databaselayer?dl?=?new?Databaselayer（）;
????????public?DataSet?Get_Data（）
????????{
????????????string?mysql_sql?=?“select?sale_idmonth_no?from?t_sale?where?uploadflag=0“;
????????????DataSet?ds=new?DataSet（）;
????????????ds?=?null;
????????????try
????????????{
????????????????ds?=?dl.Get_ExecuteDataset_OLE（dl.Get_Conn_Sql（“mysql“?“xml_db.xml“）?“mysql“?mysql_sql）;
????????????}
????????????catch?{??}
????????????return?ds;
????????}
????????public?void?Update_Data（string?sale_idstring?month_no）
????????{
????????????//??string?c_id_sql?=?“SELECT?id?FROM?db_menu.t_classify?where?state=‘1‘?and?name=‘“?+?g_class.Trim（）?+?“‘?order?by?id?desc?limit?01?“;
????????????//??????string?c_id?=?dl.GetExecuteDataset_Str_OLE（dl.Get_Conn_Sql（“mysql“?“xml_db.xml“）?“mysql“?c_id_sq