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C# PDF Page Library
How to count, show pages total numbers in PDF using C#.NET code


C# PDF library to calculate, determine, get PDF pages number and display, show it in PDF document in C#





In this tutorial, you will learn how to count PDF total pages number, and show current page number with total page count on PDF pages in C#

  • Calculate, get PDF document total pages number without opening it
  • Show, display page number and total page count on each PDF page

How to count, show PDF page number programmatically using C#

  1. Download XDoc.PDF page count C# library
  2. Install C# library to count PDF page number
  3. Step by Step Tutorial










PDF C# library also provides c# read pdf page, c# pdf scale, how to crop pdf page and save as image in c#, how to remove pages from pdf in c#, add header and footer in pdf using c#.











How to count the total number of PDF pages in C#


It is really easy to count, get the total pages number of PDF without open it using C#. Below are the steps and C# sample code to count the PDF document total pages number.

  • Create a PDFDocument object with a PDF file loaded
  • Call method GetPageCount to get the total page number of PDF document



String inputFilePath = Program.RootPath + "\\" + "1.pdf";
PDFDocument doc = new PDFDocument(inputFilePath);
int pageCount = doc.GetPageCount();
Console.WriteLine("Page Count: " + pageCount);






How to show page number in PDF using C#


You can add PDF page number and total pages count displayed in the page header or footer.

For Automatic Page Number

  1. <<1>> : Page number only.
  2. <<1/n>> : Page number and total page count, with separator '/'.



You can easily display current page number and pdf total pages count on PDF header and footer using C#. Below are the steps and C# sample code to show page number and total pages count of PDF file.

  • Create a PDFDocument object with a PDF file loaded
  • Create a new PDFPageHeaderFooter object
  • Add current page footer and total pages count on the page footer
  • Save the PDF file with page header footer applied



String inputFilePath = Program.RootPath + "\\" + "1.pdf";
String outputFilePath = Program.RootPath + "\\" + "1_hdrftr.pdf";

//  open a PDF file
PDFDocument doc = new PDFDocument(inputFilePath);

{
    //  define a header/footer setting
    PDFPageHeaderFooter hdrftr1 = new PDFPageHeaderFooter();
    //  set center header field
    hdrftr1.CenterHeaderField.Set(@"Title: *****", new Font("Arial", 12F, FontStyle.Regular), Color.Black);
    //  set left footer field
    hdrftr1.LeftFooterField.Set("Page <<1/n>>", new Font("Arial", 9F, FontStyle.Regular), Color.DarkGray);

    //  define page range: all odd pages
    PageRangeOptions pageRange1 = new PageRangeOptions();
    pageRange1.AllPages = true;
    pageRange1.Subset = PageRangeSubset.Odd;

    //  apply header/footer settings to all odd pages
    PDFPageFieldHandler.ApplyHeaderFooter(doc, hdrftr1, pageRange1);
}
{
    //  define a header/footer setting
    PDFPageHeaderFooter hdrftr2 = new PDFPageHeaderFooter();
    //  set center header field
    hdrftr2.CenterHeaderField.Set(@"Title: *****", new Font("Arial", 12F, FontStyle.Regular), Color.Black);
    //  set right footer field
    hdrftr2.RightFooterField.Set("Page <<1/n>>", new Font("Arial", 9F, FontStyle.Regular), Color.DarkGray);

    //  define page range: all even pages
    PageRangeOptions pageRange2 = new PageRangeOptions();
    pageRange2.AllPages = true;
    pageRange2.Subset = PageRangeSubset.Even;

    //  apply header/footer settings to all even pages
    PDFPageFieldHandler.ApplyHeaderFooter(doc, hdrftr2, pageRange2);
}

doc.Save(outputFilePath);