unable to get the inserted values in the pdf

try
               {
                   string html;


                   if (string.IsNullOrEmpty(tbUrl.Text.Trim()))
                   {
                       throw new ApplicationException("The URL is empty.");
                   }

                   using (var client = new WebClient())
                   {
                       html = client.DownloadString(tbUrl.Text);
                   }


                   //Transform the HTML into PDF


                   var pechkin = Factory.Create(new GlobalConfig());
                   var pdf = pechkin.Convert(new ObjectConfig()
                                           .SetLoadImages(true).SetZoomFactor(1.5)
                                           .SetPrintBackground(true)
                                           .SetScreenMediaType(true)
                                           .SetCreateExternalLinks(true), html);


                   //Return the PDF file

                   Response.Clear();

                   Response.ClearContent();
                   Response.ClearHeaders();

                   Response.ContentType = "application/pdf";
                   Response.AddHeader("Content-Disposition", string.Format("attachment;filename=test.pdf; size={0}", pdf.Length));
                   Response.BinaryWrite(pdf);

                   Response.Flush();
                   Response.End();



               }

               catch (Exception ex)
               {

               }