Following is the code for report printing.

protected void UltraWebGridDocumentExporter1_BeginExport(object sender, DocumentExportEventArgs e)
    {
        // Add a title to the report
        ReportText.IText heading = e.Section.AddText();
        ReportText.Style headingStyle = new ReportText.Style(new    Infragistics.Documents.Graphics.Font("Tahoma", 16), Infragistics.Documents.Graphics.Brushes.Crimson);
        heading.AddContent("Activity For Specified Period ", headingStyle);
        heading.AddLineBreak();

        heading.Alignment = Infragistics.Documents.Report.TextAlignment.Center;
        heading.AddContent("Printed By: Optimal Infotech Pvt Ltd ", headingStyle);
        heading.AddLineBreak();
        heading.Margins.Bottom = 15;
       

        // Add a caption with some more information
        ReportText.IText caption = e.Section.AddText();
        ReportText.Style captionStyle = new ReportText.Style(new Infragistics.Documents.Graphics.Font("Tahoma", 12), Infragistics.Documents.Graphics.Brushes.Black);
        caption.AddContent("Buyer:", captionStyle);
        caption.AddLineBreak();
        caption.AddContent("Merchandiser:", captionStyle);
        caption.AddLineBreak();
        caption.AddContent("User:", captionStyle);
        caption.AddLineBreak();
        caption.AddContent("From Date:", captionStyle);
        caption.AddLineBreak();
        caption.AddContent("To Date:", captionStyle);
        caption.AddLineBreak();
        caption.Margins.Bottom = 15;

        // Get a reference to the section's PageNumbering object.
        Infragistics.Documents.Report.Section.PageNumbering pn = e.Section.PageNumbering;

        //Add a Footer to the report
        e.Section.PageMargins.All = 40;

        // Create a style for the page numbering font.
        pn.Style = new Infragistics.Documents.Report.Text.Style(Fonts.Arial, Infragistics.Documents.Graphics.Brushes.Black);

        // The Template property is the actual string that shows the page numbering. Use the [Page #] place-
        // holder for the current page and the [TotalPages] place-holder for the total amount of pages in the entire document.
        pn.Template = "Page [Page #] of [TotalPages]";

        // The page numbering will be aligned with the right side of the page. Valid values off the
        // Alignment enum include Left, Center, and Right.
        pn.Alignment.Horizontal = Infragistics.Documents.Report.Alignment.Right;
        // The page numbering will be located at the bottom of the page. Valid values off the Alignment enum include Top and Bottom.
        pn.Alignment.Vertical = Infragistics.Documents.Report.Alignment.Bottom;
        // The page numbering is at the extreme bottom of the page, so we need to change the Y Offset in order to bring it in line with the rest of
        // the page footer text.
        pn.OffsetY = -18;

        Infragistics.Documents.Report.Section.ISectionFooter footer = e.Section.AddFooter();
        footer.Height = 30;
        ReportText.IText text = footer.AddText(0, -18);
        text.AddContent(string.Format("Date printed: {0}", DateTime.Now.ToString("dd-MM-yyyy")));


        // customize the grid for export
        //UltraWebGrid1.Columns.FromKey("CustomerID").Hidden = true;
              
       
    }

protected void btnexportpdf_Click(object sender, ImageClickEventArgs e)
    {
        try
        {
            //// configure exporter
            UltraWebGridDocumentExporter1.Format = FileFormat.PDF;
            UltraWebGridDocumentExporter1.DownloadName = "ActSpecifiedPeriod.pdf";
            UltraWebGridDocumentExporter1.TargetPaperOrientation = PageOrientation.Landscape;
                   
            UltraWebGridDocumentExporter1.ExportMode = Infragistics.WebUI.UltraWebGrid.Exporter.ExportMode.Download;
            UltraWebGridDocumentExporter1.AutoSizeRows = Infragistics.WebUI.Shared.DefaultableBoolean.True;
            // trigger export
            UltraWebGridDocumentExporter1.Export(grdActSpecifiedgrid);

         
        }
        catch (Exception ex)
        {
            Response.Write(ex.Message);
        }

    }