encoding - How to get web content that is in a language other than English by use C# HttpClient -

i learning web programming, writing small program requests web site return page. after getting the web page, want extract information it.

i use ie access web page, , found language in chinese simplified (gb2312). corresponding microsoft encoding 936.

my program got web site response. extract information web page, convert content xdocument. convertion (xdocument xmlinput = xdocument.parse(xml);) incurred error message: "'', hexadecimal value 0x1f, invalid character. line 1, position 1." debug, save content text file, found content of text file not in chinese.

the following code. thank helping.

    private void button1_click(object sender, eventargs e)     {         string s = await(new updatecategory()).tostring();     }  class updatecategory {     public async task<string> submitjrjasync()     {         httpclient client = null;         try         {             client = new httpclient();             client.baseaddress = new uri("http://stock.jrj.com.cn/concept/conceptpage.shtml");             client.defaultrequestheaders.add("contenttype", "application/xml");             client.defaultrequestheaders.add("accept-encoding", "gzip, deflate, sdch");             client.defaultrequestheaders.add("accept-language", "en-us,en; q=0.8");             client.defaultrequestheaders.accept.clear();             client.defaultrequestheaders.accept.add(new mediatypewithqualityheadervalue("application/xml"));             client.defaultrequestheaders.connection.clear();             client.defaultrequestheaders.connection.add("keep-alive");             client.defaultrequestheaders.cachecontrol = new cachecontrolheadervalue() { nocache = true };             client.defaultrequestheaders.pragma.clear();             client.defaultrequestheaders.pragma.add(new namevalueheadervalue("no-cache"));             client.defaultrequestheaders.useragent.clear();             client.defaultrequestheaders.useragent.add(new productinfoheadervalue("java", "1.6.0_20"));              client.defaultrequestheaders.host = "stock.jrj.com.cn";             client.defaultrequestheaders.accept.add(new mediatypewithqualityheadervalue("text/html"));              httpcontent _content = new stringcontent("");              _content.headers.contenttype = new mediatypeheadervalue("application/xml");              httpresponsemessage response = await client.getasync(client.baseaddress);             if (response.issuccessstatuscode)             {                 stream result = response.content.readasstreamasync().result;                  streamreader stream = new streamreader(result, encoding.getencoding(936));                  string x = stream.readtoend();                  system.io.file.writealltext(@"d:\test.txt", x, encoding.getencoding(936));                  string xml = httputility.urldecode(x);                  xdocument xmlinput = xdocument.parse(xml);             }         }         catch (exception ex)         {             messagebox.show(ex.message + "\r\n" + ex.innerexception);         }                 {          }         return "";     } }