private void tstbtnSave_Click(object sender, EventArgs e) { try { _storeProcessor.UpdateStoreLimit(_currentStore); _drugStoreInfoDt.Rows[dgrdStoreInfo.CurrentCell.RowIndex]["UPPERLIMIT"] = _currentStore.UpperLimit; _drugStoreInfoDt.Rows[dgrdStoreInfo.CurrentCell.RowIndex]["LOWERLIMIT"] = _currentStore.LowerLimit; _currentState = NORMAL; ShowState(); txtQueryCode.Focus(); } catch (Exception error) { MessageBox.Show(error.Message); } }