main.cs

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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Threading;
using System.Text.RegularExpressions;
using Ericbai;
using System.Net.NetworkInformation;

namespace invite_bids
{
    public partial class main : Form
    {
        private readonly BackgroundWorker bw;
        string getRegion = string.Empty;//获取采集的是哪个地区的信息
        internal static string loginUserName = string.Empty;
        DataTable oldData1 = null;//用户信息检索

        //信息分类  1:招标信息  2：中标信息  3:变更信息  4:其他信息
        int infoClass = 0;
        public main()
        {
            InitializeComponent();
            this.SetStyle(ControlStyles.ResizeRedraw | ControlStyles.SupportsTransparentBackColor, true);

            bw = BackgroundWorkerExtension.InitNewBackgroundWorker(bw_DoWork, bw_ProgressChanged, bw_RunWorkerCompleted);
        }
        DataTable contentDTable_BiaoXun;//招标
        DataTable contentDTable_ZhongBiao;//中标
        DataTable contentDTable_GengZheng;//更正
        DataTable contentDTable_DiFang;//地方
        void bw_DoWork(object sender, DoWorkEventArgs e)
        {
            var ce = e.Argument as CustomerDoWorkEventArgs;
            BackgroundWorker cBw = ce.ExecBackgroundWorker;

            getPageCount gpc = new getPageCount();

            string infoFrom = string.Empty;//所属城市
            string infoLink = string.Empty;//网页链接
            string infoName = string.Empty;//项目名称
            string infoDate = string.Empty;//发布日期
            //共获取的页码数
            int countPage = 0;
            //链接地址
            string addressLink = string.Empty;
            //链接地址主体部分
            string shortLink = string.Empty;

            try
            {

                #region 验证是否能上网
               
                    Ping p = new Ping();

                    PingReply pr = p.Send("www.baidu.com");//115.239.210.27