using iTextSharp.text; using iTextSharp.text.pdf; using System.IO; Use code with caution. 2. Generating a PDF for Download
The most efficient way to handle a download is to generate the PDF into a MemoryStream rather than saving it to the server's disk. Basic Code Structure itextsharp download pdf file c#
If you are using Web Forms, you must manually clear the response buffer and set the headers: using iTextSharp