DevExpress GridControl 数据打印与Excel导出实例

        private void btnPrint_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
        {
            try
            {
                if (dtDruglog==null)
                {
                    MessageBox.Show("无可打印数据");
                    return;
                }
                PrintingSystem print = new DevExpress.XtraPrinting.PrintingSystem();
                PrintableComponentLink link = new PrintableComponentLink(print);
                print.Links.Add(link);
                link.Component = gcDruglog;
                string _PrintHeader = gridBand1.Caption;
                PageHeaderFooter phf = link.PageHeaderFooter as PageHeaderFooter;
                link.PaperKind = System.Drawing.Printing.PaperKind.A4Plus; //设置纸张
                link.Landscape = false; //mh
                phf.Header.Content.Clear();
                phf.Header.Content.AddRange(new string[] { "", _PrintHeader, "" });
                phf.Header.Font = new System.Drawing.Font("宋体", 16, System.Drawing.FontStyle.Bold);
                phf.Header.LineAlignment = BrickAlignment.Center;
                link.CreateDocument(); //建立文档
                link.ShowPreviewDialog();
                print.PreviewFormEx.Show();//进行预览 非模式窗体
                //直接打印
                print.PrintDlg();
            }
            catch (Exception ex)
            {