public void httpGet(){try{//请求地址String url = "http://www.cnblogs.com/huizhang212/";//创建WebRequest类HttpWebRequest request = HttpWebRequest.CreateHttp(new Uri(url));//设置请求方式GET POSTrequest.Method = "GET";//返回应答请求异步操作的状态
                request.BeginGetResponse(responseCallback, request);}catch (WebException e){//网络相关异常处理
            }catch (Exception e){//异常处理
            }}

        private void responseCallback(IAsyncResult result){try{//获取异步操作返回的的信息HttpWebRequest request = (HttpWebRequest)result.AsyncState;//结束对 Internet 资源的异步请求HttpWebResponse response = (HttpWebResponse)request.EndGetResponse(result);//解析应答头//parseRecvHeader(response.Headers);//获取请求体信息长度long contentLength = response.ContentLength;//获取应答码int statusCode = (int)response.StatusCode;string statusText = response.StatusDescription;//应答头信息验证using (Stream stream = response.GetResponseStream()){//获取请求信息StreamReader read = new StreamReader(stream);string msg = read.ReadToEnd();Deployment.Current.Dispatcher.BeginInvoke(() =>{textBlock1.Text = msg;});}}catch (WebException e){//连接失败
               }catch (Exception e){//异常处理
                }}

        public void httpPost(){try{//请求地址String url = "http://www.cnblogs.com/huizhang212/";//创建WebRequest类HttpWebRequest request = HttpWebRequest.CreateHttp(new Uri(url));//设置请求方式GET POSTrequest.Method = "POST";//返回应答请求异步操作的状态
                request.BeginGetRequestStream(requestCallback, request);}catch (WebException e){//网络相关异常处理
            }catch (Exception e){//异常处理
            }}private void requestCallback(IAsyncResult result){try{//获取异步操作返回的的信息HttpWebRequest request = (HttpWebRequest)result.AsyncState;//结束对 Internet 资源的异步请求StreamWriter postStream = new StreamWriter(request.EndGetRequestStream(result));postStream.WriteLine("作者：宇之乐");postStream.WriteLine("出处：http://www.cnblogs.com/huizhang212/");//返回应答请求异步操作的状态
                request.BeginGetResponse(responseCallback, request);}catch (WebException e){//异常处理
}catch (Exception e){//异常处理
}}