protected FileContentResult ViewPdf(string pageTitle,string viewName,object model)
{
    // Render the view html to a string.
    string htmlText = this.htmlViewRenderer.RenderViewToString(this,viewName,model);

    // Let the html be rendered into a PDF document through iTextSharp.
    byte[] buffer = standardPdfRenderer.Render(htmlText,pageTitle);

    // Return the PDF as a binary stream to the client.
    return File(buffer,"application/pdf","file.pdf");
}