protected void m_grid_RowCommand(object sender, GridViewCommandEventArgs e)
        {
            try
            {
                string commandName = e.CommandName;
                GridViewRow row = m_grid.FooterRow;

                if (commandName == "Insert")
                {
                    clsPhieuNhap oPhieuNhap = new clsPhieuNhap();
                    string PhieuNhap = sKey;
                    string ThietBiId = cboThietBi.SelectedValue.ToString();
                    string Ma_Serial = ((TextBox)row.FindControl("txtIMa_Serial")).Text;
                    string Ma_MAC = ((TextBox)row.FindControl("txtIMA_MAC")).Text;
                    string Ma_SLC = ((TextBox)row.FindControl("txtIMA_SLC")).Text;
                    string Ma_DLK = ((TextBox)row.FindControl("txtIMa_DLK")).Text;
                    string DienGiai = "";
                    int TinhTrang = 1;

                    oPhieuNhap.PhieuNhap_Id = PhieuNhap;
                    oPhieuNhap.ThietBi_Id = ThietBiId;
                    oPhieuNhap.Ma_Serial = Ma_Serial;
                    oPhieuNhap.Ma_MAC = Ma_MAC;
                    oPhieuNhap.Ma_SLC = Ma_SLC;
                    oPhieuNhap.Ma_DLK = Ma_DLK;
                    oPhieuNhap.Dien_Giai = DienGiai;
                    oPhieuNhap.TinhTrangHang = TinhTrang;

                    string _result = oPhieuNhap.InsertThongTinThietBi();
                    bindData(-1);
                }
            }
            catch (Exception ex)
            {
                ltlAnnouncement.Text = "Khong them moi duoc du lieu. Vui long lien he voi quan tri<br>" + ex.Message;
            }
        }
        protected void m_grid_RowUpdating(object sender, GridViewUpdateEventArgs e)
        {
            try
            {
                int id = e.RowIndex;
                m_grid.EditIndex = id;
                GridViewRow row = m_grid.Rows[id];

                clsPhieuNhap oPhieuNhap = new clsPhieuNhap();
                oPhieuNhap.ThongTinThietBi_Id = m_grid.DataKeys[e.RowIndex].Value.ToString();
                DataTable tbltem = new DataTable();
                tbltem = oPhieuNhap.Select_ThongTinThietBi_OneRow();

                string PhieuNhap = sKey;
                string ThietBiId = cboThietBi.SelectedValue.ToString();
                string Ma_Serial = ((TextBox)row.FindControl("txtIMa_Serial")).Text;
                string Ma_MAC = ((TextBox)row.FindControl("txtIMA_MAC")).Text;
                string Ma_SLC = ((TextBox)row.FindControl("txtIMA_SLC")).Text;
                string Ma_DLK = ((TextBox)row.FindControl("txtIMa_DLK")).Text;
                string DienGiai = "";
                int TinhTrang = 1;

                if (m_grid.DataKeys[id].Value.ToString() != "")
                {

                    oPhieuNhap.PhieuNhap_Id = PhieuNhap;
                    oPhieuNhap.ThietBi_Id = ThietBiId;
                    oPhieuNhap.Ma_Serial = Ma_Serial;
                    oPhieuNhap.Ma_MAC = Ma_MAC;
                    oPhieuNhap.Ma_SLC = Ma_SLC;
                    oPhieuNhap.Ma_DLK = Ma_DLK;
                    oPhieuNhap.Dien_Giai = DienGiai;
                    oPhieuNhap.TinhTrangHang = TinhTrang;
                    string _result = oPhieuNhap.InsertThongTinThietBi();
                    if (_result == "1")
                    {
                        ltlAnnouncement.Text = "Sửa kế hoạch nhập xuất chi tiết '" + sKey + "' thành công!";
                    }

                }
            }
            catch (Exception ex)
            {
                ltlAnnouncement.Text = "Khong cap nhat duoc du lieu. Vui long lien he voi quan tri<br>" + ex.Message;
            }

            bindData(-1);
        }