asp.Net利用Global.asaxタイミング送信メール

<%@ Application Language="C#" %>
<%@ Import Namespace="System.Threading" %>  
<%@ Import Namespace="System.Timers" %>
<%@ Import Namespace="System.IO" %>
<%@ Import Namespace="System.Net" %>
<%@ Import Namespace="System.Data" %>
<%@ Import Namespace="Model" %>
<%@ Import Namespace="BLL" %>
<%@ Import Namespace="DBUtility" %>

<script runat="server">

    void Application_Start(object sender, EventArgs e) 
    {
        //             
        //     
        System.Timers.Timer myTimer = new System.Timers.Timer(60000);//1  
        myTimer.Elapsed += new ElapsedEventHandler(myTimer_Elapsed);
        myTimer.AutoReset = true;//       （false）      (true);
        myTimer.Enabled = true;//    System.Timers.Timer.Elapsed  ;

    }
    void myTimer_Elapsed(object source, ElapsedEventArgs e)
    {
        try
        {
            DateTime dt1 = Convert.ToDateTime(DateTime.Now.ToString("yyyy-MM-dd")+" 23:17:59");
            DateTime dt2 = Convert.ToDateTime(DateTime.Now.ToString("yyyy-MM-dd") + " 23:18:59");
            DateTime dt3 = DateTime.Now;
            //if (DateTime.Compare(dt1, dt2) >= 0)
            
            if (dt3 > dt1 && dt3 < dt2)
            {
                //            
                string name=System.DateTime.Now.ToString("yyyyMMdd");
                string pFilePath = @"C:\web\SaveFile\" + name + ".xlsx";//  ，    
                string receiver = "[email protected]";//    
                string AddRecipientCC = "";//    
                string table = "    ，    ";
                table += '
';
                table += "           ！";

                sendEmail("xx", "[email protected]", "1111123334", receiver, AddRecipientCC, "    ", table, "smtp.163.com", pFilePath);
            }
        }

        catch (Exception ex)
        {
            throw new Exception(ex.Message, ex);
        }

    }
    //      
    public bool sendEmail(string senderuser/*           */, string euser/*       */, string epwd/*       */
        , string receiver/*       */, string AddRecipientCC/*cc      */, string subject/*    */, string body/*    */
        , string eserver/*     smtp.harmony.com.cn*/, string attachment/*    ;  ,      null*/)//9   
    {
        jmail.MessageClass jmMessage = new jmail.MessageClass();
        jmMessage.Charset = "GB2312";
        jmMessage.ISOEncodeHeaders = false;
        jmMessage.From = euser;
        jmMessage.FromName = senderuser;
        jmMessage.Subject = subject;
        jmMessage.MailServerUserName = euser;
        jmMessage.MailServerPassWord = epwd;
        if (!string.IsNullOrEmpty(receiver))
        {
            string[] recip = receiver.Replace('；', ';').Split(';');
            foreach (string item in recip)
            {
                jmMessage.AddRecipient(item.Trim(), "", "");
            }
        }
        if (!string.IsNullOrEmpty(AddRecipientCC))
        {
            string[] cc = AddRecipientCC.Replace('；', ';').Split(';');
            foreach (string item in cc)
            {
                jmMessage.AddRecipientCC(item.Trim(), "", "");
            }
        }
        jmMessage.Body = body;
        #region   
        if (!string.IsNullOrEmpty(attachment))
        {
            string[] attach = attachment.Split(';');
            foreach (string item in attach)
            {
                string ContentType = "";
                switch (item.Trim().Substring(item.LastIndexOf(".") + 1).ToLower())
                {
                    case "pdf":
                        ContentType = "application/pdf";
                        break;
                    case "jpg":
                    case "jpeg":
                        ContentType = "image/jpeg";
                        break;
                    case "gif":
                        ContentType = "image/gif";
                        break;
                    case "png":
                        ContentType = "image/png";
                        break;
                    case "bmp":
                        ContentType = "image/bmp";
                        break;
                    case "zip":
                        ContentType = "application/zip";
                        break;
                    case "txt":
                        ContentType = "text/plain";
                        break;
                    case "htm":
                    case "html":
                        ContentType = "text/html";
                        break;
                    case "doc":
                        ContentType = "application/msword";
                        break;
                    case "xls":
                        ContentType = "application/vnd.ms-excel";
                        break;
                    case "ppt":
                        ContentType = "application/vnd.ms-powerpoint";
                        break;
                    default:
                        ContentType = "application/octet-stream";
                        break;
                }

                jmMessage.AddAttachment(item, true, ContentType);
            }

        }
        #endregion
        bool result = jmMessage.Send(eserver, false);
        jmMessage = null;
        return result;
    } 
    void Application_End(object sender, EventArgs e) 
    {
        //             
        //        ，   IIS            
        Thread.Sleep(1000);
        //      web  ，            aspx          ，      Application_Start
        string url = "http://192.168.0.1/web/";

        HttpWebRequest myHttpWebRequest = (HttpWebRequest)System.Net.WebRequest.Create(url);
        HttpWebResponse myHttpWebResponse = (HttpWebResponse)myHttpWebRequest.GetResponse();
        Stream receiveStream = myHttpWebResponse.GetResponseStream();//          
    }
        
    void Application_Error(object sender, EventArgs e) 
    { 
        //               

    }

    void Session_Start(object sender, EventArgs e) 
    {
        //            

    }

    void Session_End(object sender, EventArgs e) 
    {
        //           。 
        //   :     Web.config      sessionstate      
        // InProc  ，     Session_End   。       
        //    StateServer   SQLServer，        。

    }
       
</script>