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

                if (commandName == "Insert")
                {
                    clsPhieuXuat oPhieuXuat = new clsPhieuXuat();
                    oPhieuXuat.NhanVienLogon_Id = "3d2df69a-4d7c-4d78-a4a3-075a169a109d";
                    oPhieuXuat.PhieuXuat_Id = sKey;
                    oPhieuXuat.ThongTinThietBi_Id = sThongTinThietBi_Id;

                    oPhieuXuat.InsertChiTietPhieuXuat();
                    bindData(-1);
                    sThongTinThietBi_Id = "";
                }
                else if (commandName == "TimKiem")
                {
                    string Ma_Serial = ((TextBox)row.FindControl("txtIMa_Serial")).Text;
                    string connectionString = System.Configuration.ConfigurationManager.ConnectionStrings["SQLConn"].ToString();// "server='NgoQuangLua-PC'; uid=sa;pwd=sa; Database='QL'; trusted_connection=true;";
                    System.Data.SqlClient.SqlConnection sqlConnection = new System.Data.SqlClient.SqlConnection(connectionString);
                    string queryString = "select * from ThongTinThietBi a where a.Ma_Serial='" + Ma_Serial + "' and a.trang_thai in (1,7)";
                    sqlConnection.Open();
                    SqlDataAdapter oAdap = new SqlDataAdapter(queryString, sqlConnection);

                    DataTable tblTemp = new DataTable();
                    oAdap.Fill(tblTemp);
                    if (tblTemp.Rows.Count > 0)
                    {
                        ((TextBox)row.FindControl("txtIMA_MAC")).Text = tblTemp.Rows[0]["Ma_MAC"].ToString();
                        ((TextBox)row.FindControl("txtIMA_DLK")).Text = tblTemp.Rows[0]["Ma_DLK"].ToString();
                        ((TextBox)row.FindControl("txtIMA_SLC")).Text = tblTemp.Rows[0]["Ma_SLC"].ToString();
                        sThongTinThietBi_Id = tblTemp.Rows[0]["ThongTinThietBi_Id"].ToString();
                    }
                }
            }
            catch (Exception ex)
            {
                ltlAnnouncement.Text = "Khong them moi duoc du lieu. Vui long lien he voi quan tri<br>" + ex.Message;
            }
        }