/// <summary>
        /// 显示第二个,第三个datagridview的相应信息
        /// </summary>
        public void showMessageDia()
        {
            AddNum addnum = new AddNum();

            if (dataGridView1.Rows.Count == 0)
            {
                printfagain.Enabled      = false;
                Downbutton2.Enabled      = false;
                UPbutton3.Enabled        = false;
                label14.Text             = "共有0条记录";
                dataGridView2.DataSource = null;
                dataGridView3.DataSource = null;
            }
            else
            {
                for (int i = 0; i < dataGridView1.Rows.Count; i++)
                {
                    if (this.dataGridView1.Rows[i].Cells["status_id"].Value.ToString() == "3")
                    {
                        this.dataGridView1.Rows[i].DefaultCellStyle.BackColor = Color.Red;
                    }
                    else if (this.dataGridView1.Rows[i].Cells["MEAL_KIND"].Value.ToString() == "1")
                    {
                        this.dataGridView1.Rows[i].DefaultCellStyle.BackColor = Color.Blue;
                    }
                    else if (this.dataGridView1.Rows[i].Cells["MEAL_KIND"].Value.ToString() == "2")
                    {
                        this.dataGridView1.Rows[i].DefaultCellStyle.BackColor = Color.Yellow;
                    }
                }
                Downbutton2.Enabled      = true;
                UPbutton3.Enabled        = true;
                sale_id                  = dataGridView1.CurrentRow.Cells["销售单编号"].Value.ToString();
                dataGridView2.DataSource = addnum.AddSeriNum(seeAboutSale.payDetail(sale_id));
                //隐藏不别要行
                AllowViewDataGridView2();
                for (int i = 0; i < dataGridView2.Rows.Count; i++)
                {
                    if (dataGridView2.Rows[i].Cells["状态"].Value.ToString() == "3")
                    {
                        dataGridView2.Rows[i].DefaultCellStyle.BackColor = Color.Red;
                    }
                }
                dataGridView2.Columns[0].Width = (int)dataGridView2.Size.Width * 2 / 21;
                dataGridView2.Columns[1].Width = (int)dataGridView2.Size.Width * 6 / 21;
                dataGridView2.Columns[2].Width = (int)dataGridView2.Size.Width * 3 / 21;
                dataGridView2.Columns[3].Width = (int)dataGridView2.Size.Width * 3 / 21;
                dataGridView2.Columns[4].Width = (int)dataGridView2.Size.Width * 1 / 21;
                dataGridView2.Columns[5].Width = (int)dataGridView2.Size.Width * 3 / 21;
                dataGridView2.Columns[6].Width = (int)dataGridView2.Size.Width * 3 / 21;

                label14.Text                   = "共有" + dataGridView2.Rows.Count.ToString() + "条记录";
                dataGridView3.DataSource       = seeAboutSale.payWays(sale_id);
                dataGridView3.Columns[0].Width = (int)dataGridView3.Size.Width / 2;
                dataGridView3.Columns[1].Width = (int)dataGridView3.Size.Width / 2;
            }
        }