How to Add Page number in Footer in PDF by Itextsharp

Question

I am using iTextSharp DLL in ASP.NET code. I am fetching a data into dataset and Add the dataset into PDF table.

If my dataset have more 100 rows then 100 rows will be added into PDF table and 3 or 4 page will be created in PDF file.

How can I add the footer in each page?

Duplicate of http://stackoverflow.com/questions/1032614/itextsharp-creating-a-footer-page-of — Chris Gessler, May 09 '12 at 11:57

score 22 · Answer 1 · answered May 10 '12 at 10:54

You need to inherit from PdfPageEventHelper class and override the methods shown in the code snippet below:

Document doc = new Document(PageSize.A4.Rotate());        

using (MemoryStream ms = new MemoryStream())
{
  PdfWriter writer = PdfWriter.GetInstance(doc, ms);
  PageEventHelper pageEventHelper = new PageEventHelper();
  writer.PageEvent = pageEventHelper;
}

 public class PageEventHelper : PdfPageEventHelper
    {
        PdfContentByte cb;
        PdfTemplate template;


        public override void OnOpenDocument(PdfWriter writer, Document document)
        {
            cb = writer.DirectContent;
            template = cb.CreateTemplate(50, 50);
        }

        public override void OnEndPage(PdfWriter writer, Document document)
        {
            base.OnEndPage(writer, document);

            int pageN = writer.PageNumber;
            String text = "Page " + pageN.ToString() + " of ";
            float len = this.RunDateFont.BaseFont.GetWidthPoint(text, this.RunDateFont.Size);

            iTextSharp.text.Rectangle pageSize = document.PageSize;

            cb.SetRGBColorFill(100, 100, 100);

            cb.BeginText();
            cb.SetFontAndSize(this.RunDateFont.BaseFont, this.RunDateFont.Size);
            cb.SetTextMatrix(document.LeftMargin, pageSize.GetBottom(document.BottomMargin));
            cb.ShowText(text);

            cb.EndText();

            cb.AddTemplate(template, document.LeftMargin + len, pageSize.GetBottom(document.BottomMargin));
        }

        public override void OnCloseDocument(PdfWriter writer, Document document)
        {
            base.OnCloseDocument(writer, document);

            template.BeginText();
            template.SetFontAndSize(this.RunDateFont.BaseFont, this.RunDateFont.Size);
            template.SetTextMatrix(0, 0);
            template.ShowText("" + (writer.PageNumber - 1));
            template.EndText();
        }
    }

if you don't see the page number, don't forget to set your document.bottomMargin, or even add (float)50 to it — Sebastien H., Jun 28 '13 at 08:20
I guess this doesn't work anymore? this.RunDateFont doesn't exist. — Justin, Oct 04 '16 at 00:49
this.RunDateFont is not part of iText but a font variable defined in the outer class. — bleeeah, Oct 04 '16 at 12:13
@bleeeah can you comment on why you subtract one from PageNumber? I used to do that and recently it started giving incorrect results, was there a bug in iTextSharp that has been fixed in newer versions? — Betty Crokker, May 31 '17 at 14:36
I know the question is really old and Betty Crokker's follow up question is old too. But I ran into this on some older code I was maintaining and I believe, for those still using version 5, there was a change between 5.5.7 and 5.5.8 in the Close() method of PdfDocument, which removed an extra call to NewPage() (which increments page count). With one less NewPage() call, you no longer need to subtract 1 from PageNumber - if doing something in OnCloseDocument, of course . I gather version 7 does this all completely differently. — Peter R, Jan 22 '18 at 17:01
it only add page number (Y) in string page X of Y at the last page. I cant see total pages on start page. It shows (page 1 of ) thats it. — Ali Exalter, Mar 21 '18 at 14:43

score 1 · Answer 2 · answered Sep 01 '14 at 05:03

You must inherit pageeventhepler to add page number to dynamically generated pdf pages.

public void printPdf()
{
    Document doc = new Document(PageSize.A4.Rotate());
    using (MemoryStream ms = new MemoryStream())
    {
        PdfWriter writer = PdfWriter.GetInstance(doc, ms);
        PageEventHelper pageEventHelper = new PageEventHelper();
        writer.PageEvent = pageEventHelper;
    }
}

public class PageEventHelper : PdfPageEventHelper
{
    PdfContentByte cb;
    PdfTemplate template;


    public override void OnOpenDocument(PdfWriter writer, Document document)
    {
        cb = writer.DirectContent;
        template = cb.CreateTemplate(50, 50);
    }

    public override void OnEndPage(PdfWriter writer, Document document)
    {
        base.OnEndPage(writer, document);

        int pageN = writer.PageNumber;
        String text = "Page " + pageN.ToString() + " of ";
        float len = this.RunDateFont.BaseFont.GetWidthPoint(text, this.RunDateFont.Size);

        iTextSharp.text.Rectangle pageSize = document.PageSize;

        cb.SetRGBColorFill(100, 100, 100);

        cb.BeginText();
        cb.SetFontAndSize(this.RunDateFont.BaseFont, this.RunDateFont.Size);
        cb.SetTextMatrix(document.LeftMargin, pageSize.GetBottom(document.BottomMargin));
        cb.ShowText(text);

        cb.EndText();

        cb.AddTemplate(template, document.LeftMargin + len, pageSize.GetBottom(document.BottomMargin));
    }

    public override void OnCloseDocument(PdfWriter writer, Document document)
    {
        base.OnCloseDocument(writer, document);

        template.BeginText();
        template.SetFontAndSize(this.RunDateFont.BaseFont, this.RunDateFont.Size);
        template.SetTextMatrix(0, 0);
        template.ShowText("" + (writer.PageNumber - 1));
        template.EndText();
    }
}

score 1 · Answer 3 · answered Sep 02 '19 at 13:02

If you just need a simple page number, then this does the job:

public class PageHeaderFooter : PdfPageEventHelper
{
    private readonly Font _pageNumberFont = new Font(Font.HELVETICA, 8f, Font.NORMAL, Color.BLACK);

    public override void OnEndPage(PdfWriter writer, Document document)
    {
        AddPageNumber(writer, document);
    }

    private void AddPageNumber(PdfWriter writer, Document document)
    {
        var text = writer.PageNumber.ToString();

        var numberTable = new PdfPTable(1);
        var numberCell = new BorderlessPdfPCell(new Phrase(text, _pageNumberFont)) {HorizontalAlignment = Element.ALIGN_RIGHT};

        numberTable.AddCell(numberCell);
        numberTable.TotalWidth = 50;
        numberTable.WriteSelectedRows(0, -1, document.Right - 80, document.Bottom + 20, writer.DirectContent);
    }
}

And you use it this way:

var stream = new MemoryStream();
var document = new Document(PageSize.A4, 20, 20, 30, 30);

var pdfWriter = PdfWriter.GetInstance(document, stream);
pdfWriter.PageEvent = new PageHeaderFooter();
// rest of PDF generation

work like a charm, it is worth to mention assign events before opening a document — Shervin Ivari, May 28 '22 at 07:55

score 0 · Answer 4 · answered Mar 22 '18 at 08:23

Here is another approach, make templates on each page and then at onCloseDocument update those templates look at the code below I am using iTextSharp 7

 class PDFBackgroundHelper : PdfPageEventHelper
{

    private PdfContentByte cb;
    private List<PdfTemplate> templates;
    //constructor
    public PDFBackgroundHelper()
    {
        this.templates = new List<PdfTemplate>();
    }

    public override void OnEndPage(PdfWriter writer, Document document)
    {
        base.OnEndPage(writer, document);

        cb = writer.DirectContentUnder;
        PdfTemplate templateM = cb.CreateTemplate(50, 50);
        templates.Add(templateM);

        int pageN = writer.CurrentPageNumber;
        String pageText = "Page " + pageN.ToString() +" of ";
        BaseFont bf = BaseFont.CreateFont(BaseFont.HELVETICA, BaseFont.CP1252, BaseFont.NOT_EMBEDDED);
        float len = bf.GetWidthPoint(pageText, 10);
        cb.BeginText();
        cb.SetFontAndSize(bf, 10);
        cb.SetTextMatrix(document.LeftMargin, document.PageSize.GetBottom(document.BottomMargin));
        cb.ShowText(pageText);
        cb.EndText();
        cb.AddTemplate(templateM, document.LeftMargin + len, document.PageSize.GetBottom(document.BottomMargin));
    }

    public override void OnCloseDocument(PdfWriter writer, Document document)
    {
        base.OnCloseDocument(writer, document);
        BaseFont bf = BaseFont.CreateFont(BaseFont.HELVETICA, BaseFont.CP1252, BaseFont.NOT_EMBEDDED);
        foreach (PdfTemplate item in templates)
        {
            item.BeginText();
            item.SetFontAndSize(bf, 10);
            item.SetTextMatrix(0, 0);
            item.ShowText("" + (writer.PageNumber));
            item.EndText();
        }

    }

How to Add Page number in Footer in PDF by Itextsharp

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