html导出pdf

PdfConverter pdfConverter = new PdfConverter();

pdfConverter.PdfDocumentOptions.PdfPageSize = PdfPageSize.A4;
pdfConverter.PdfDocumentOptions.PdfCompressionLevel = PdfCompressionLevel.Normal;
pdfConverter.PdfDocumentOptions.ShowHeader = true;
pdfConverter.PdfDocumentOptions.ShowFooter = true;
pdfConverter.PdfDocumentOptions.LeftMargin = 5;
pdfConverter.PdfDocumentOptions.RightMargin = 5;
pdfConverter.PdfDocumentOptions.TopMargin = 5;
pdfConverter.PdfDocumentOptions.BottomMargin = 5;
pdfConverter.PdfDocumentOptions.GenerateSelectablePdf = true;

pdfConverter.PdfDocumentOptions.ShowHeader = false;
//pdfConverter.PdfHeaderOptions.HeaderText = "Sample header: " + TxtURL.Text;
//pdfConverter.PdfHeaderOptions.HeaderTextColor = Color.Blue;
//pdfConverter.PdfHeaderOptions.HeaderDescriptionText = string.Empty;
//pdfConverter.PdfHeaderOptions.DrawHeaderLine = false;

pdfConverter.PdfFooterOptions.FooterText = "Sample footer: " + TxtURL.Text + 
". You can change color, font and other options";
pdfConverter.PdfFooterOptions.FooterTextColor = Color.Blue;
pdfConverter.PdfFooterOptions.DrawFooterLine = false;
pdfConverter.PdfFooterOptions.PageNumberText = "Page";
pdfConverter.PdfFooterOptions.ShowPageNumber = true;

//pdfConverter.LicenseKey = "put your serial number here";
byte[] downloadBytes = pdfConverter.GetPdfFromUrlBytes(url);


System.Web.HttpResponse response = System.Web.HttpContext.Current.Response;
response.Clear();
response.AddHeader("Content-Type", "binary/octet-stream");
response.AddHeader("Content-Disposition",
    "attachment; filename=" + downloadName + "; size=" + downloadBytes.Length.ToString());
response.Flush();
response.BinaryWrite(downloadBytes);
response.Flush();
response.End();