屏蔽弹出对话框

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.IO;
using mshtml;

namespace WindowsApplication2
{
    public partial class Form1 : Form
    {
        //初始界面
        Uri temp1 = new Uri("http://www.ahbys.com/ahbysCom/login.html");

        //登陆后首页
        Uri temp2 = new Uri("http://www.ahbys.com/ahbysCom/");

        StreamReader sr;
        String line;

        //保存标志位
        bool baocun = false;

        public Form1()
        {
            InitializeComponent();
            sr = new StreamReader("心理学.txt");
        }

        private void webBrowser1_DocumentCompleted(object sender, WebBrowserDocumentCompletedEventArgs e)
        {         

            //初次登陆时，填入信息
            if (e.Url == temp1)
            {
                HtmlElement he_name = this.webBrowser1.Document.GetElementById("Name");
                he_name.InnerText = "*******";

                HtmlElement he_password = this.webBrowser1.Document.GetElementById("PassWord");
                he_password.InnerText = "*************";

                //submit 正好是4
                HtmlElementCollection hec = this.webBrowser1.Document.GetElementsByTagName("input");
                HtmlElement elem = hec[4];
                elem.InvokeMember("click");

            }

            //登录后进行第二次跳转
            if (e.Url == temp2)
            {
                //10370
                this.webBrowser1.Navigate(@"http://www.ahbys.com/ahbysCom/Dispatch/GraduateEdit_part1.aspx?a=2015&b=10370&c=10432323115292&p=Q&keyword=10432323115292&idx=1&all=1");

            }

            //实际的工作
            if (e.Url.ToString().IndexOf("http://www.ahbys.com/ahbysCom/Dispatch/GraduateEdit_part1.aspx?a=2015&b=10370") >= 0)
            {

                if (this.webBrowser1.Document.GetElementById("txtDiscipline1").GetAttribute("value") != "07000000")
                {
                    this.webBrowser1.Document.GetElementById("txtDiscipline1").SetAttribute("value", "07000000");
                    this.webBrowser1.Document.GetElementById("txtDiscipline1").InvokeMember("onchange");
                    System.Threading.Thread.Sleep(100);
                }

                if (this.webBrowser1.Document.GetElementById("txtDiscipline2").GetAttribute("value") != "07150000")
                {
                    this.webBrowser1.Document.GetElementById("txtDiscipline2").SetAttribute("value", "07150000");
                    this.webBrowser1.Document.GetElementById("txtDiscipline2").InvokeMember("onchange");
                    System.Threading.Thread.Sleep(100);

                 }

                 this.webBrowser1.Document.GetElementById("txtDiscipline").SetAttribute("value", "07150100");

            }

         }

        string str = @"http://www.ahbys.com/ahbysCom/Dispatch/GraduateEdit_part1.aspx?a=2015&b=10370&c=000000000&p=Q&keyword=000000000&idx=1&all=1";

        //开始遍历
        private void button1_Click(object sender, EventArgs e)
        {
            this.button1.Enabled = false;
            this.button1.Text = "遍历";

            line = sr.ReadLine();

            if (line != null)
            {
               this.webBrowser1.Navigate(str.Replace("000000000", line));
               baocun = true;

            }else
                MessageBox.Show("已遍历完毕!");

            this.button2.Enabled = true;
            this.button2.Text = "保存";

        }

        private void Form1_FormClosing(object sender, FormClosingEventArgs e)
        {
            sr.Close();
        }

        private void webBrowser1_Navigated(object sender, WebBrowserNavigatedEventArgs e)
        {
            //自动点击弹出确认或弹出提示
            IHTMLDocument2 vDocument = (IHTMLDocument2)webBrowser1.Document.DomDocument;
            vDocument.parentWindow.execScript("function confirm(str){return ;} ", "javascript"); //弹出确认
            vDocument.parentWindow.execScript("function alert(str){return;} ", "javaScript");//弹出提示

        }

        private void button2_Click(object sender, EventArgs e)
        {
            this.button2.Enabled = false;

            if (baocun)
            {
                HtmlElement ImageButton3 = this.webBrowser1.Document.GetElementById("ImageButton3");
                ImageButton3.InvokeMember("click");
                this.button2.Text = System.DateTime.Now.ToString() + "@ 数据已保存! ";
                baocun = false;
                this.button1.Enabled = true;
            }
        }

    }
}