. NET scheduled Send mail

Add a global Application class global.asax

The code will run when you visit the site

Global.asax Code:

1     voidApplication_Start (Objectsender, EventArgs e)2     {3         //code to run when the application starts4System.Timers.Timer Timer =NewSystem.Timers.Timer (3600000);//design time interval, if one hours to execute once will be changed to 36000005Timer. Elapsed + =NewSystem.Timers.ElapsedEventHandler (Send);6Timer. AutoReset =true;7Timer. Enabled =true;8     }9 Ten     voidApplication_End (Objectsender, EventArgs e) One     { A         //code to run when the application shuts down -System.Threading.Thread.Sleep ( the); -         stringstrURL ="Server Address"; theSystem.Net.HttpWebRequest _httpwebrequest =(System.Net.HttpWebRequest) System.Net.WebRequest.Create (strURL); -System.Net.HttpWebResponse _httpwebresponse =(System.Net.HttpWebResponse) _httpwebrequest.getresponse (); -System.IO.Stream _stream = _httpwebresponse.getresponsestream ();//get write-back byte stream - _httpwebresponse.close (); +     } -  +     voidApplication_Error (Objectsender, EventArgs e) A     { at         //code to run when an unhandled error occurs -  -     } -  -     voidSession_Start (Objectsender, EventArgs e) -     { in         //code to run when a new session is started -  to     } +  -     voidSession_End (Objectsender, EventArgs e) the     { *         //The code that runs at the end of the session.  $         //Note: Only the sessionstate mode in the Web. config file is set toPanax Notoginseng         //InProc, the Session_End event is not raised. If the session mode is set to StateServer -         //or SQL Server, the event is not raised.  the  +     } A  the     Private voidSend (Objectsender, System.Timers.ElapsedEventArgs e) +     { -         Switch(DateTime.Now.Hour) $         { $              Case 0: -              Case  -: - SendEMail (); the                  Break; -             //Default:Wuyi             //SendEMail (); the             //Break ; -         } Wu     } -     Private voidSendEMail () About     { $         stringMailfrom = system.configuration.configurationmanager.appsettings["Mailfrom"]. ToString (); -         stringMailuser = system.configuration.configurationmanager.appsettings["Mailuser"]. ToString (); -         stringMailPassword = system.configuration.configurationmanager.appsettings["MailPassword"]. ToString (); -         stringHostIP = system.configuration.configurationmanager.appsettings["MailHost"]. ToString (); A  +list<string> mailaddress =Newlist<string>(); the         stringMAILSUBJCT ="Message Subject";
           stringMailbody ="Message content:";
Mailaddress.add ("e-mail address");stringStrreturn = SendMail (mailsubjct, Mailbody, Mailfrom, MailAddress, HostIP, Mailuser, MailPassword,false); -}

SendMail method

1  Public Static stringSendMail (stringMAILSUBJCT,stringMailbody,stringMailfrom, list<string> MailAddress,stringHostIP,stringUsernamestringPasswordBOOLSSL)2         {3             stringstr ="";4             Try5             {6MailMessage message =NewMailMessage7                 {8isbodyhtml =true,9Subject =Mailsubjct,TenBody =Mailbody, One  Afrom =Newmailaddress (Mailfrom) -                 }; -                  for(inti =0; i < Mailaddress.count; i++) the                 { - message. To.add (Mailaddress[i]); -                 } -SmtpClient client =NewSmtpClient +                 { -Enablessl =SSL, +useDefaultCredentials =false A                 }; atNetworkCredential credential =Newnetworkcredential (username, password); -Client. Credentials =credential; -Client. Deliverymethod =smtpdeliverymethod.network; -Client. Host =HostIP; -Client. Port =0x19; - client. Send (message); in             } -             Catch(Exception Exception) to             { +str =exception. Message; -             } the             returnstr; *}

. NET scheduled Send mail