private void btnPrinter_Click(object sender, EventArgs e) { if (gridControl1.MainView == gridViewStocks) { try { var printerReportByStock = new PrinterReportByStock(_reportViews); printerReportByStock.ShowPreviewDialog(); } catch (Exception ex) { XtraMessageBox.Show(string.Format("{0}", ex.Message), "Lỗi!", MessageBoxButtons.OK, MessageBoxIcon.Error); } } }