private void Init()
    {
        DateTime beginTime = DateTime.Now;
        DateTime endTime = DateTime.Now;

        switch (qrytypelist.SelectedItem.Value)
        {
            case "0"://自选时间段
                beginTime = Convert.ToDateTime(sdate.Value.ToString());
                endTime = Convert.ToDateTime(edate.Value.ToString()).AddDays(1);
                break;

            case "1"://前三天
                beginTime = DateTime.Today.AddDays(-3);
                endTime = DateTime.Now;
                break;

            case "2"://前一周
                beginTime = DateTime.Today.AddDays(-7);
                endTime = DateTime.Now;
                break;

            case "3"://前一月
                beginTime = DateTime.Today.AddMonths(-1);
                endTime = DateTime.Now;
                break;

            case "5"://昨天
                beginTime = DateTime.Today.AddDays(-1);
                endTime = DateTime.Now;
                break;
        }

        //获取选中的服务器
        foreach (ListItem li in cblHost.Items)
        {
            if (li.Selected)
            {
                if (selectedCount == 0)  //防止只选一个站点时,出现在,1的情况 查询报错
                {
                    sParent = li.Value;
                }
                else
                {
                    sParent += "," + li.Value + "";
                }

                selectedCount++;
            }
        }

        if (selectedCount <= 0)//tedi3231 added 2010.02.01 没有选中任何站点时显示用户能看到的所有站点
        {
            sParent = common.GetHosrList(User.Identity.Name);
        }

        sParent = sParent.Replace("'", "");

        sParent = "(" + sParent + ")";
        ipAddr = tbIp.Text.Trim();

        dbConfig conDB = new dbConfig();

        DataSet ds = conDB.ExecuteClues(ipAddr, beginTime, endTime, sParent);

        if (ds == null)
        {

        }
        else
        {
            ltDns.Text = ds.Tables[0].Rows[0]["DnsCount"].ToString();
            ltHttp.Text = ds.Tables[0].Rows[0]["httpCount"].ToString();
            ltMsn.Text = ds.Tables[0].Rows[0]["MsnCount"].ToString();
            ltYahoo.Text = ds.Tables[0].Rows[0]["YahooCount"].ToString();
            ltTrojan.Text = ds.Tables[0].Rows[0]["TrojanCount"].ToString();

            ltPop.Text = ds.Tables[0].Rows[0]["Pop3MailCount"].ToString();
            ltSmtp.Text = ds.Tables[0].Rows[0]["SmtpMailCount"].ToString();

            ltSend.Text = ds.Tables[0].Rows[0]["SendWebMailCount"].ToString();
            ltRev.Text = ds.Tables[0].Rows[0]["GetWebMailCount"].ToString();

            ltWeb.Text = ds.Tables[0].Rows[0]["WebCount"].ToString();

            ltFtp.Text = ds.Tables[0].Rows[0]["FtpCount"].ToString();

        }
    }