.net 程序错误记录日志并发送邮件

　　　　　　　　      //写windows日志
                       if (!System.Diagnostics.EventLog.SourceExists("项目1"))
                    {
                        System.Diagnostics.EventLog.CreateEventSource("项目1", "mylog");
                    }
                    System.Diagnostics.EventLog eventLog = new System.Diagnostics.EventLog();
                    eventLog.Source = "项目1";
                    eventLog.WriteEntry(ex.ToString(), System.Diagnostics.EventLogEntryType.Warning); 
                    //给管理员发送邮件
                       System.Net.Mail.MailMessage mail = new System.Net.Mail.MailMessage(); 
                    mail.To.Add("23302342@qq.com");//接收人邮箱
                       mail.From = new System.Net.Mail.MailAddress("23423e@163.com");//发件人邮箱
                       mail.Subject = "程序出错了";
                    mail.Body = ex.ToString();
                    System.Net.Mail.SmtpClient sc = new System.Net.Mail.SmtpClient("smtp.163.com");//发件人邮箱邮件服务器地址
                       sc.Credentials = (new System.Net.NetworkCredential("23423e", "xxxx"));//发件人邮箱名称和密码
                       sc.Send(mail);