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How to insert page number in existing PDF document ?
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How to insert page number in existing document?
Please refer to the following code example to insert the page number in existing .NET PDF document using the PdfCompositeField class.
C#
//Load the existing PDF document PdfLoadedDocument loadedDoc = new PdfLoadedDocument("input.pdf"); //Set the font. PdfFont font = new PdfStandardFont(PdfFontFamily.Helvetica, 12f); //Create page number field. PdfPageNumberField pageNumber = new PdfPageNumberField(font, PdfBrushes.Black); //Create page count field. PdfPageCountField count = new PdfPageCountField(font, PdfBrushes.Black); //Add the fields in composite fields. PdfCompositeField compositeField = new PdfCompositeField(font, PdfBrushes.Black, "Page {0} of {1}", pageNumber, count); for (int i = 0; i < loadedDoc.Pages.Count; i++) { //Draw the composite field. compositeField.Draw(loadedDoc.Pages[i].Graphics, new PointF(loadedDoc.Pages[i].Size.Width / 2 - 20, loadedDoc.Pages[i].Size.Height - 20)); } //Save the document. loadedDoc.Save("Output.pdf"); //Close the document. loadedDoc.Close(true);
Sample Link:
https://www.syncfusion.com/downloads/support/directtrac/general/ze/PdfSample1525964352