private void btbReport_Click(object sender, EventArgs e)
        {
            if (Head_DRId == null)
            {
                MessageBox.Show("กรุณาเลือกรายการก่อนค่ะ");
            }
            else
            {
                DrawStock.rptDraw_Receive_Stock rptReceiveSelect = new rptDraw_Receive_Stock();
                rptReceiveSelect.setId = Convert.ToInt16(Head_DRId);
                rptReceiveSelect.ShowDialog();

                //DrawStock.rptReceive_Stock rptReceive = new rptReceive_Stock();
                //rptReceive.StartPosition = FormStartPosition.CenterScreen;   // กำหนด frm ย่อย ให้อยู่ตรงกลาง
                //rptReceive.setId = Convert.ToInt16(Head_DRId);
                //rptReceive.ShowDialog();
            }
        }
        private void btnReport2Columns_Click(object sender, EventArgs e)
        {
            if (dtPoHard == null || dtPoHardRead == null) return;
            System.Data.DataSet ds = new DataSet();
            dtPoHard.TableName = "DT_PoHard";
            ds.Tables.Add(dtPoHard);
            dtPoHardRead.TableName = "DT_PoHardRead";
            ds.Tables.Add(dtPoHardRead);

            DrawStock.rptDraw_Receive_Stock rpt = new rptDraw_Receive_Stock(ds);
            rpt.setId = Convert.ToInt16(Head_DRId);
            rpt.Show();
        }