encoding - How do I display a Registered Trademark symbol (®) using VB.NET? -

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i have taken on support of application @ company work for. of sudden, customer wants able enter registered trademark in name field. symbol, using alt+0174, being saved correctly, app not encoding properly. i'm doing:

    private sub btnsave_click(byval sender system.object, byval e system.eventargs) handles btnsave.click     dim ms new memorystream     dim xml_text_writer new xmltextwriter(ms, _         system.text.encoding.utf8)      xml_text_writer.formatting = formatting.indented     xml_text_writer.indentation = 4      xml_text_writer.writestartdocument(true)     xml_text_writer.writestartelement("employees")      makeemployee(xml_text_writer, txtfname.text, txtlname.text, 11111)      xml_text_writer.writeendelement()     xml_text_writer.writeenddocument()     xml_text_writer.flush()      ms.flush()     ms.position = 0     dim b(cint(ms.length) - 1) byte     ms.read(b, 0, cint(ms.length))     ms.close()      dim strreturn string = system.text.asciiencoding.ascii.getstring(b)     if strreturn.startswith("???", stringcomparison.currentcultureignorecase)         strreturn = strreturn.substring(3)     end if      txtname.text = strreturn  end sub  private sub makeemployee(byval xml_text_writer  _ xmltextwriter, byval first_name string, byval _ last_name string, byval emp_id integer)     xml_text_writer.writestartelement("employee")      xml_text_writer.writestartelement("firstname")     xml_text_writer.writestring(first_name)     xml_text_writer.writeendelement()      xml_text_writer.writestartelement("lastname")     xml_text_writer.writestring(last_name)     xml_text_writer.writeendelement()      xml_text_writer.writestartelement("employeeid")     xml_text_writer.writestring(emp_id.tostring)     xml_text_writer.writeendelement()      xml_text_writer.writeendelement() end sub

the output code this:

john smith ?? 11111

everything fine, except "??" after "smith" should "®". best way, if any, display symbol correctly?

dim strreturn string = system.text.asciiencoding.ascii.getstring(b)

you encoded xml in utf-8, don't read ascii. you'll lose special characters cannot encoded. fix:

dim strreturn string = system.text.encoding.utf8.getstring(b)

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