void setContentAndMultiColumnButton_Click(object sender, EventArgs e)
        {
            Template template1 = CreateTemplate(1, 21);
            AddPrintInfoCellColumnFooterSection(template1, 21);
            this.gcMultiRow1.Template = template1;
            gcMultiRow1.RowCount = 81;

            //Only the content(Text,Image) is printed, the backgound, border is not printed.
            gcMultiRow1.PrintSettings.PrintStyle = PrintStyle.Content;
            gcMultiRow1.PrintSettings.AutoFitWidth = false;
            //Only one Row is printed to one page. You can print ColumnHeader to each page by setting PrintHeader property to AllPages.
            gcMultiRow1.PrintSettings.PagingMode = PagingMode.MultiColumns;
            //All Columns in each page are aligned by MiddleCenter.
            gcMultiRow1.PrintSettings.Alignment = MultiRowContentAlignment.MiddleCenter;
            //All Rows are printed.
            gcMultiRow1.PrintSettings.PrintRange = MultiRowPrintRange.AllRows;
            //In MultiColumns mode, on each Column's head, the ColumnHeader is filled. If you set this to FirstPage, only first Column exists one ColumnHeader.
            gcMultiRow1.PrintSettings.PrintHeader = PrintHeader.AllPages;
            //Between each Column in page, there are 15 pixels.
            gcMultiRow1.PrintSettings.ColumnMargin = 15;

            if (flag)
            {
                gcMultiRow1.PrintSettings.MultiColumnsPrintOrder = PrintOrder.OverThenDown;
                flag = false;
            }
            else
            {
                gcMultiRow1.PrintSettings.MultiColumnsPrintOrder = PrintOrder.DownThenOver;
                flag = true;
            }
            gcMultiRow1.PrintSettings.ZoomFactor = 1f;
            try
            {
                gcMultiRow1.PrintPreview();
                //If you have a printer, you can execute the following code directly instead.
                //gcMultiRow1.Print(true);
            }
            catch (Exception ex)
            {
                // Can't find printer driver.
                MessageBox.Show(ex.Message);
            }
            label.Text = "In Content style, only the Text and Image are printed; In MultiColumns mode, the MultiColumnsPrintOrder controls all Rows printing order; The ColumnMargin property sets 15 pixels between each column;(Click this button again, the MultiColumnsPrintOrder changes to another effect.)";
        }