public void additem(int ID,int id, string column1, string column2, string column3, string column4, string column5, string column6,
           string column7)
        {
 //此处的代码不能进行循环！必须封装为一个方法，通过方法的循环，才能实现循环！
        DataGridViewRow dgvr = new DataGridViewRow();
            foreach (DataGridViewColumn c in this.DataGridView1.Columns)
            {
                dgvr.Cells.Add(c.CellTemplate.Clone() as DataGridViewCell);
            }
         dgvr.Cells[0].Value = ID;
            dgvr.Cells[1].Value = id;
            dgvr.Cells[2].Value = column1;
            dgvr.Cells[3].Value = column2;
            dgvr.Cells[4].Value = column3;
            dgvr.Cells[5].Value = column4;
            dgvr.Cells[6].Value = column5;
            dgvr.Cells[7].Value = column6;
            dgvr.Cells[8].Value = column7;
            this.DataGridView1.Rows.Add(dgvr);
        }

 private void DataStart(string sql)
        {
            con = Utils.DBConnect.Open("FX.mdb");
            string sqlStr = sql;
            //获得数据源
            reader = Utils.DBConnect.GetReader(sqlStr, con);
            int id = 1;//每行数据前的序号
            while (reader.Read())
            {
                additem(reader.GetInt32(0),id, reader.GetValue(1).ToString(), reader.GetValue(2).ToString(), reader.GetValue(3).ToString(),
                    reader.GetValue(4).ToString(), reader.GetValue(5).ToString(), reader.GetValue(6).ToString(),
                    reader.GetValue(7).ToString());
                id++;
            }
            reader.Close();
            con.Close();
        }

private void LoadFirst()
        {
            try
            {
                string tmpStr;
                tmpStr = "select  * from fx order by fxid desc";
                DataStart(tmpStr);
            }
            catch
            {
                MessageBox.Show("数据库未连接正确！");
            }
        }