Html to pdf, text missing

Aspose.Pdf.Generator.Pdf pdf = new Aspose.Pdf.Generator.Pdf();// add the section to PDF document sections collectionAspose.Pdf.Generator.Section section = pdf.Sections.Add();// Read the contents of HTML file into StreamReader objectStreamReader r = File.OpenText(@"D:/pdftest/HTML2pdf.html");//Create text paragraphs containing HTML textAspose.Pdf.Generator.Text text2 = new Aspose.Pdf.Generator.Text(section, r.ReadToEnd());// enable the property to display HTML contents within their own formattingtext2.IsHtmlTagSupported = true;//Add the text paragraphs containing HTML text to the sectionsection.Paragraphs.Add(text2);// Specify the URL which serves as images databasepdf.HtmlInfo.ImgUrl = "D:/pdftest/MemoryStream/";//Save the pdf documentpdf.Save("D:/pdftest/MemoryStream/HTML2pdf.pdf");