I am using the PdfPageEventHelper in order to be able to add Header and Footer to each page of my document automatically. As was mentioned in many places I am doing so while overriding the OnEndPage. On my class I am creating:
- PdfDocument
- creating a FileStream
- getting a PdfWriter vis the the static GetInstance method
- setting the specific PdfPageEventHelper class that I've created to the writer.PageEvent
- adding the writer to the document
- calling the document open
- adding some content to the document (one very small table having one row)
- calling the close document
Now - at step #8 the OnEndPage is being called, which is great, but somehow it is being called twice! both times it is called to page number 1 (as I see on runtime in the document parameter) therefore I am getting 2 pages in my document instead of one, where the second page is empty, and the first page is actually having my header and footer twice (overlapping). I am using iTextSharp version 5.5.1.0 , and I saw on the source file that in Document.Close method they are calling NewPage function... this is why I am getting to OnEndPage in the 2nd time. Any suggestions?
class MyPdfWriter
{
public MyPdfWriter()
{
//generate doc, file stream etc.
_document = _document = new PdfDocument();
_document.SetMargins(15, 15, 50, 50);
_document.SetPageSize(PageSize.A4);
_fs = new FileStream("myTest.pdf", FileMode.Create);
_writer = PdfWriter.GetInstance(_document, _fs);
_writer.PageEmpty = false;
_writer.PageEvent = new PdfPage(reportDetails.Header,reportDetails.Footer,reportDetails.LogoImage, reportDetails.ReportFileName);
//open doc
_document.Open();
//add some content
var table = new PdfPTable(1);
table.AddCell("bla bla");
_document.Add(titleTable);
//close doc, stream etc.
if (_document != null && _document.IsOpen())
{
_document.Close();
_document = null;
}
if (_writer != null)
{
_writer.Close();
_writer = null;
}
if (_fs != null)
{
_fs.Close();
_fs.Dispose();
}
}
}
class PdfPage : PdfPageEventHelper
{
public override void OnEndPage(PdfWriter writer, Document document)
{
var footer = new PdfPTable(2);
//Write some cells to footer
//....
//init the width
footer.TotalWidth = (footer.TotalWidth.CompareTo(0f) != 0) ? footer.TotalWidth : document.PageSize.Width;
//write the table with WriteSelectedRows
footer.WriteSelectedRows(0, -1, document.LeftMargin, footer.TotalHeight + 10f, writer.DirectContent);
var Header = new PdfPTable(2);
//Write some cells to Header
//....
//init the width
Header.TotalWidth = (Header.TotalWidth.CompareTo(0f) != 0) ? Header.TotalWidth : document.PageSize.Width;
//write the table with WriteSelectedRows
Header.WriteSelectedRows(0, -1, document.LeftMargin, document.PageSize.Height - 10,
writer.DirectContent);
}
}