private void btnAddCar_Click(object sender, EventArgs e)
        {
            try
            {
                frmChargeType frmCar = new frmChargeType(0);
                LBShowForm.ShowDialog(frmCar);

                LoadDataSource();
            }
            catch (Exception ex)
            {
                LB.WinFunction.LBCommonHelper.DealWithErrorMessage(ex);
            }
        }
        private void GrdMain_CellDoubleClick(object sender, DataGridViewCellEventArgs e)
        {
            try
            {
                if (e.RowIndex >= 0 && e.ColumnIndex >= 0)
                {
                    DataRowView drvSelect     = this.grdMain.Rows[e.RowIndex].DataBoundItem as DataRowView;
                    long        lChargeTypeID = drvSelect["ChargeTypeID"] == DBNull.Value ?
                                                0 : Convert.ToInt64(drvSelect["ChargeTypeID"]);
                    if (lChargeTypeID > 0)
                    {
                        frmChargeType frmBank = new frmChargeType(lChargeTypeID);
                        LBShowForm.ShowDialog(frmBank);

                        LoadDataSource();
                    }
                }
            }
            catch (Exception ex)
            {
                LB.WinFunction.LBCommonHelper.DealWithErrorMessage(ex);
            }
        }