asp.net - iTextSharp error: 'HtmlParser' is not declared -

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i had import following namespace in asp.net page

imports itextsharp

imports itextsharp.text

imports itextsharp.text.pdf

imports itextsharp.text.html

but still got error 'htmlparser' not declared when compile, what's problem ?

thanks

protected sub btn_print_click(byval sender object, byval e system.eventargs) handles btn_print.click      'get html gridview1     dim sw new io.stringwriter()     dim htw new htmltextwriter(sw)     gridview1.rendercontrol(htw)     dim html string = "<html><body>" + sw.tostring() + "</body></html>"     dim filename string = "temp"     httpcontext.current.response.addheader("content-disposition", "attachment;filename=" + filename + ".pdf")      'set response     response.clear()     response.contenttype = "application/pdf"      'create pdf document     dim document new itextsharp.text.document(pagesize.a4, 80, 50, 30, 65)      'create pdf writer, output directly outputstream     dim writer itextsharp.text.pdf.pdfwriter = pdfwriter.getinstance(document, response.outputstream)     document.open()      'create tempfile hold html:     dim tempfile string = path.gettempfilename()     using tempwriter new io.streamwriter(tempfile, false)         tempwriter.write(html)     end using      'parse html document     htmlparser.parse(document, tempfile)      'cleanup     document.close()     writer.close()      'delete tempfile:     file.delete(tempfile)      writer = nothing     document = nothing     response.[end]()  end sub


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