WebServices Get

 HttpWebRequest req;
            string strGet = "http://localhost:2980/Service1.asmx/HelloWorld?name=";
            strGet = strGet + this.TextBox1.Text;      //请求的Web service的所在地址
            req = (HttpWebRequest)WebRequest.Create(strGet);  //依据地址创建一个请求对象
            HttpWebResponse response;
            response = (HttpWebResponse)req.GetResponse();    //根据请求得到响应

            Stream s = response.GetResponseStream();          //得到响应流
            XmlTextReader reader = new XmlTextReader(s);      //读出流中的XML内容
            reader.MoveToContent();                           //跳过第一行<?xml version="1.0" encoding="utf-8">
            Label2.Text = reader.ReadInnerXml();              //将XML的内容赋给lable3
            reader.Close();                                   //关闭流

原文地址:https://www.cnblogs.com/zwei1121/p/1271967.html