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Editorial Team
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Asked: 2026-06-06T20:47:42+00:00

This is actually in reference to Question which is actually closed Iam using ItextSharp

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This is actually in reference to Question which is actually closed

Iam using ItextSharp 5.2.1.

I want to make my header text underlined using PdfContentByte. Please provide me the solution.

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  1. Editorial Team
    private PdfContentByte pdfContentByte;



 private string DescriptionToPrint="Hii!! I will be underlined."
  private Int32  AlignmentofDescription = 3;
  private float  XofDescription = 110;
  private float  YofDescription = 440;
  private float  RotationofDescription = 0;

    to write PDF using pdfcontentbyte we generally use the following

    (begin text &
    end text)

    format 

    pdfContentByte.BeginText();
    pdfContentByte.ShowTextAligned(PdfContentByte.ALIGN_LEFT, DescriptionToPrint.ToString(), XofDescription, YofDescription, RotationofDescription);
    pdfContentByte.EndText();

    There is an alternative for the above technique also, which is quiet flexible too.

    This is if you want the same formatting that you have applied to pdfcontentbyte using BaseFont

    //ColumnText.ShowTextAligned(pdfContentByte, Element.ALIGN_LEFT, new Phrase(DescriptionToPrint), XofDescription, YofDescription, RotationofDescription);

    If you want to underline the text, then inside Phrase place Chunk

      ColumnText.ShowTextAligned(pdfContentByte, Element.ALIGN_LEFT, new Phrase(new Chunk(DescriptionToPrint.ToString(), FontFactory.GetFont(FontFactory.HELVETICA, 8, Font.UNDERLINE))), XofDescription, YofDescription, RotationofDescription);

    here the line mentioned below is actually the fix.

    new Phrase(new Chunk(DescriptionToPrint.ToString(), FontFactory.GetFont(FontFactory.HELVETICA, 8, Font.UNDERLINE)))

    For ColumnText we have to provide the text using new Phrase in which we can access font properties which actually base font was not allowing
    us to access.

    Inside Phrase Chunk is providing the required formatting to the text.

    Their are lots of examples available on net regarding use of chunk

    If you want to pass float values like this(20.25)
    these will be recognized as double by this class
    use “20.25f” then they will be taken as float and will work…

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