private void btAuthorize_Click(object sender, EventArgs e)
        {
            try
            {
                if (cardnbr != "")
                {
                    //Frm_Authorization.cardnbr = tb_cardnumber.Text.Replace(" ", "");
                    if (Frm_main.admin_flag)
                        Frm_Authorization.cardnbr = cardnbr;
                    else
                        Frm_Authorization.cardnbr = cardnbr.Substring(0, 4) + "xxxxxxxx" + cardnbr.Substring(12);

                    Frm_Authorization.cardnbr_full = cardnbr;
                    Frm_Authorization.accnbr = accountnbr;
                    Frm_Authorization.statuscard = tbcard_status.Text;
                    //Frm_Authorization1 auth = new Frm_Authorization1(tb_cardnumber.Text.Replace(" ", ""));
                    Frm_Authorization auth = new Frm_Authorization();
                    auth.ShowDialog();
                }
                else
                    MessageBox.Show("Card number is null");
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
        }
        private void dgv_trans_CellDoubleClick ( object sender, DataGridViewCellEventArgs e )
        {
            try
            {            
                Frm_Authorization frm = new Frm_Authorization ( );
                Frm_Authorization.cardnbr = dgv_trans["card_number", dgv_trans.CurrentCell.RowIndex].Value.ToString ( ).Trim ( );
                Frm_Authorization.cardnbr_full = dgv_trans["card_number", dgv_trans.CurrentCell.RowIndex].Value.ToString ( ).Trim ( );
                frm.rdStatusAll.Checked = true;
                frm.ShowDialog ( );
                // loadData();
            }
            catch (Exception ex)
            {
                MessageBox.Show ( "Err dgv_trans_CellDoubleClick: \n" + ex.ToString ( ) );
            }

        }