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Pdf Library for .NET

Current WebPage to Pdf in Asp.Net

Sometimes, there is a need in an ASP.NET application to convert a web page to pdf with a click of a button, taken into consideration the changes done to the data from that page (form filling for example).

Select.Pdf Html to Pdf Converter and an ASP.NET trick can be used to achive this task. Take a look at the sample code below.

Sample Code

This sample code shows how to use Select.Pdf html to pdf converter to convert the current page to pdf preserving the values entered in the page controls before hitting the Convert button.

namespace SelectPdf.Samples
    public partial class convert_current_page_to_pdf : System.Web.UI.Page
        private bool startConversion = false;

        protected void BtnCreatePdf_Click(object sender, EventArgs e)
            startConversion = true;

        protected override void Render(HtmlTextWriter writer)
            if (startConversion)
                // get html of the page
                TextWriter myWriter = new StringWriter();
                HtmlTextWriter htmlWriter = new HtmlTextWriter(myWriter);

                // instantiate a html to pdf converter object
                HtmlToPdf converter = new HtmlToPdf();

                // create a new pdf document converting the html string of the page
                PdfDocument doc = converter.ConvertHtmlString(
                    myWriter.ToString(), Request.Url.AbsoluteUri);

                // save pdf document
                doc.Save(Response, false, "Sample.pdf");

                // close pdf document
                // render web page in browser