public void mdbToXml()

        {

            OleDbConnection mycon = null;

            

            try

            {

                string strcon = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=D:\\1.mdb;";

                mycon = new OleDbConnection(strcon);

                mycon.Open();

                //获取文件名列

                string sql = "select 文件名 from temp";

                OleDbDataAdapter ad = new OleDbDataAdapter(sql, strcon);

                DataSet ds = new DataSet();

                ad.Fill(ds,"文件名");

                string[] filesName = new string[ds.Tables[0].Rows.Count];

                for (int i = 0; i < ds.Tables[0].Rows.Count; i++)

                {

                    filesName[i] = ds.Tables[0].Rows[i]["文件名"].ToString();

                }



                //获取单位编码列

                string sql1 = "select 单位编码 from temp";

                OleDbDataAdapter ad1 = new OleDbDataAdapter(sql1, strcon);

                DataSet ds1 = new DataSet();

                ad1.Fill(ds1);

                string[] dwbm = new string[ds1.Tables[0].Rows.Count];

                for (int i = 0; i < ds1.Tables[0].Rows.Count; i++)

                {

                    //dwbm = new string[ds.Tables[0].Rows.Count];

                  &n