Convert from HTML to PDF in CSharp VB and ASP.NET with a Free 3rd Party Library

Converting from html to pdf is not an easy task. There are some tools that can do that, but most of them cost thousands of dollars. SelectPdf offers a Community Edition (FREE) of the powerful Html To Pdf Converter for .NET that can be found in the full featured pdf library.

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using SelectPdf;

namespace SelectPdf.Samples
    public partial class convert_url_to_pdf : System.Web.UI.Page
        protected void BtnCreatePdf_Click(object sender, EventArgs e)
            // read parameters from the webpage
            string url = TxtUrl.Text;

            string pdf_page_size = DdlPageSize.SelectedValue;
            PdfPageSize pageSize = (PdfPageSize)Enum.Parse(typeof(PdfPageSize), 
                pdf_page_size, true);

            string pdf_orientation = DdlPageOrientation.SelectedValue;
            PdfPageOrientation pdfOrientation = 
                pdf_orientation, true);

            int webPageWidth = 1024;
                webPageWidth = Convert.ToInt32(TxtWidth.Text);
            catch { }

            int webPageHeight = 0;
                webPageHeight = Convert.ToInt32(TxtHeight.Text);
            catch { }

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

            // set converter options
            converter.Options.PdfPageSize = pageSize;
            converter.Options.PdfPageOrientation = pdfOrientation;
            converter.Options.WebPageWidth = webPageWidth;
            converter.Options.WebPageHeight = webPageHeight;

            // create a new pdf document converting an url
            PdfDocument doc = converter.ConvertUrl(url);

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

            // close pdf document