C# 模拟页面登录

using System;
using System.Collections;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Net;
using System.Text;
using System.Threading.Tasks;

namespace WebSiteLogin
{
    public class LoginOP
    {
        public void Login()
        {
            CookieContainer cc = new CookieContainer();

            Console.WriteLine("请输入你的用户名：");
            string userName = Console.ReadLine();
            Console.WriteLine("请输入你的密码：");
            string password = Console.ReadLine();

            string postData = string.Format("UserName={0}&Password={1}", userName, password);
            byte[] byteArray = Encoding.UTF8.GetBytes(postData); // 转化

            HttpWebRequest webRequest = (HttpWebRequest)WebRequest.Create(new Uri("http://localhost:10476/home/ApplyLogin"));
            webRequest.CookieContainer = cc;
            webRequest.Method = "POST";
            webRequest.ContentType = "application/x-www-form-urlencoded";
            webRequest.ContentLength = byteArray.Length;
            Stream newStream = webRequest.GetRequestStream();
            // Send the data.
            newStream.Write(byteArray, , byteArray.Length);    //写入参数
            newStream.Close();

            HttpWebResponse response = (HttpWebResponse)webRequest.GetResponse();
            StreamReader sr = new StreamReader(response.GetResponseStream(), Encoding.UTF8);
            string text = sr.ReadToEnd();
            Console.WriteLine(text);

            Console.WriteLine("-------------------------------------------------------------");
            Console.WriteLine("返回结果：");
            Console.WriteLine("-------------------------------------------------------------");

            HttpWebRequest webRequest2 = (HttpWebRequest)WebRequest.Create(new Uri("http://localhost:10476/home/AuthenticationPage"));
            webRequest2.CookieContainer = cc;
            HttpWebResponse response2 = (HttpWebResponse)webRequest2.GetResponse();
            StreamReader sr2 = new StreamReader(response2.GetResponseStream(), Encoding.UTF8);
            string text2 = sr2.ReadToEnd();
            Console.WriteLine(text2);
        }

    }
}