/// <summary>
        /// 납기일 변경하기
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void dgv2_CellDoubleClick(object sender, DataGridViewCellEventArgs e)
        {
            DueDatePopUpForm frm = new DueDatePopUpForm();

            frm.Order_no   = Convert.ToInt32(dgv2.SelectedRows[0].Cells[0].Value);
            frm.Due_date   = Convert.ToDateTime(dgv2.SelectedRows[0].Cells[7].Value);
            frm.Product_no = Convert.ToInt32(dgv2.SelectedRows[0].Cells["product_id"].Value);
            frm.Gubun      = "출고";

            if (frm.ShowDialog() == DialogResult.OK)
            {
                dgv2.DataSource = releaseService.GetReleasePlanDetail(Convert.ToInt32(dgv2.SelectedRows[0].Cells[0].Value));

                DateTime request_date = Convert.ToDateTime(dgv2.SelectedRows[0].Cells[7].Value);
                DateTime release_date = Convert.ToDateTime(dgv2.SelectedRows[0].Cells[8].Value);

                if (request_date < release_date)
                {
                    MessageBox.Show("출고 요청일은 출고 예정일보다 빠르면 안됩니다. 다시 변경해주세요.");
                    dgv2.SelectedRows[0].DefaultCellStyle.BackColor = Color.LightCoral;
                    return;
                }
                else
                {
                    releaseService.UpdateReleaseDate(Convert.ToInt32(dgv2.SelectedRows[0].Cells[0].Value), Convert.ToInt32(dgv2.SelectedRows[0].Cells[3].Value));
                    dgv2.SelectedRows[0].DefaultCellStyle.BackColor = Color.Transparent;
                    dgv2.DataSource = releaseService.GetReleasePlanDetail(Convert.ToInt32(dgv2.SelectedRows[0].Cells[0].Value));
                }
            }
        }
 private void dgv_CellClick(object sender, DataGridViewCellEventArgs e)
 {
     if (e.ColumnIndex == 8)
     {
         DueDatePopUpForm frm = new DueDatePopUpForm();
         frm.Due_date   = Convert.ToDateTime(dgv.SelectedRows[0].Cells["order_request_date"].Value.ToString());
         frm.Order_no   = Convert.ToInt32(dgv.SelectedRows[0].Cells[0].Value);
         frm.Product_no = Convert.ToInt32(dgv.SelectedRows[0].Cells["product_id"].Value);
         frm.Gubun      = "발주";
         if (frm.ShowDialog() == DialogResult.OK)
         {
             dgv.DataSource = orderService.GetOrderList();
         }
     }
 }