WebRequest 调用方法

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string url = "http://localhost:3520/WebSite1/Default2.aspx";
Encoding encoding = Encoding.GetEncoding("gb2312");//设置发送数据时的编码格式

string jpydpostData = "code=1";//充值状态
jpydpostData += ("&strinfo=" + Server.UrlEncode(str) + "");//订单号

byte[] data = encoding.GetBytes(jpydpostData);

        // 准备网页请求。...
        HttpWebRequest myRequest = (HttpWebRequest)WebRequest.Create(url);
        myRequest.Method = "post";
        myRequest.ContentType = "application/x-www-form-urlencoded";
        myRequest.ContentLength = data.Length;
        Stream newStream = myRequest.GetRequestStream();

        // 发送数据
        newStream.Write(data, 0, data.Length);
        newStream.Close();

        // 获得返回的数据
        HttpWebResponse myResponse = (HttpWebResponse)myRequest.GetResponse();
        StreamReader reader = new StreamReader(myResponse.GetResponseStream(), Encoding.GetEncoding("utf-8"));
        string content = reader.ReadToEnd();

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