js模拟表单提交

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace LK.BPMS.CSLogin
{
    public partial class ClientWb : Form
    {
        public string token { get; set; }
        public ClientWb(string token)
        {
            InitializeComponent();
            this.token = token;
        }

        string path = System.Configuration.ConfigurationSettings.AppSettings["Uri"];

        private void ClientWb_Load(object sender, EventArgs e)
        {
            string js = "<script type=\"text/javascript\">window.onload=function(){document.getElementById(\"tokenid\").click();}</script>";

            webBrowser1.DocumentText = "<form action=\"" + path + "\" method=\"post\"><input type=\"submit\" id=\"tokenid\" name=\"token\" value=\"" + token + "\" onsubmit=\"return checkForm()\"/></form>" + js + "";

            //webBrowser1.Navigate(ut);
        }
    }
}