用C#写了一个新增用户就发送邮件和手机短信的SqlServer触发器

//针对SqlServer2005及已上版本
//CLR开发测试环境 VS2008 + Windows7
//SqlServer测试版本：SqlServer2005
//项目名：SendSMSTrigger
//编译后会产生2个类库：SendSMSTrigger.dll SendSMSTrigger.XmlSerializers.dll
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Microsoft.SqlServer.Server;
using System.Data.SqlClient;
using System.Text.RegularExpressions;
using System.Net.Mail;

public class SendSMSTrigger
{
/// <summary>
/// 发送邮件
/// </summary>
/// <param name="tomail">收件人邮件地址</param>
/// <param name="title">标题</param>
/// <param name="content">邮件正文</param>
/// <param name="FormUser">发件人账号</param>
/// <param name="userPwd">发件人密码</param>
  public static void sendEmail(string tomail, string title, string content, string FormUser, string userPwd)
  {
  MailAddress from = new MailAddress(FormUser + "@bwsyq.com");
  MailAddress to = new MailAddress(tomail);
  MailMessage MyMessage = new MailMessage(from, to);
  MyMessage.Priority = MailPriority.Normal;
  MyMessage.Priority = MailPriority.Normal;

  MyMessage.IsBodyHtml = false;
  MyMessage.IsBodyHtml = true;
  MyMessage.Body = content;
  MyMessage.BodyEncoding = System.Text.Encoding.UTF8;
  MyMessage.Subject = title;

  string SmtpServer = "mail.bwsyq.com";
  SmtpClient client = new SmtpClient(SmtpServer);
  System.Net.NetworkCredential cred = new System.Net.NetworkCredential(FormUser, userPwd);
  client.Credentials = cred;
  client.Send(MyMessage);

  }

/// <summary>
/// 发送手机短信
/// </summary>
/// <param name="mMobilNumber">手机号码</param>
/// <param name="sMessageContent">短信内容</param>
/// <returns></returns>
  public static string SendSMS(string mMobilNumber, string sMessageContent)
  {
  SmsInterfaceService SmsInterfaceDemo = new SmsInterfaceService();
  return SmsInterfaceDemo.clusterSend("短信接口用户名", "短信接口密码",
  "1360000000", mMobilNumber, sMessageContent, DateTime.Now.ToString("yyyy-MM-dd hh:mm:ss"), "0|0|0|0");
  }

/// <summary>
/// 针对表Users的新增CLR触发器
/// </summary>
  [SqlTrigger(Name = @"SendSMSTrigger", Target = "[dbo].[Users]", Event = "FOR INSERT")]
  public static void SendSMS()
  {
  string userName;
  string realName;
  string eMail;
  string mobilNumber;
  SqlCommand command;
  SqlTriggerContext triggContext = SqlContext.TriggerContext;
  SqlPipe pipe = SqlContext.Pipe;
  SqlDataReader reader;

  switch (triggContext.TriggerAction)
  {
  case TriggerAction.Insert:
  // Retrieve the connection that the trigger is using
  using (SqlConnection connection
  = new SqlConnection(@"context connection=true"))
  {
  connection.Open();
  command = new SqlCommand(@"SELECT * FROM INSERTED;",
  connection);
  reader = command.ExecuteReader();
  reader.Read();
  userName = (string)reader[0];
  realName = (string)reader[1];
  eMail = (string)reader[2];
  mobilNumber = (string)reader[3];
  reader.Close();

  if (IsValidEMailAddress(eMail))
  {
  //发通知邮件
  sendEmail(eMail, realName + "您好！恭喜注册成功!", " 您的用户名是：" + userName, "[e-mail]", "发件人密码");
  //发手机短信
  SendSMS(mobilNumber, realName + "您好！恭喜注册成功! 您的用户名是：" + userName);
  //SqlServer 管道返回信息
  pipe.Send(realName + "您好！恭喜注册成功! 您的用户名是：" + userName);
  }
  }
  break;
  default:
  break;
  }
  }

/// <summary>
/// 验证邮件是否合法
/// </summary>
/// <param name="email">邮件地址</param>
/// <returns><c>true</c>表示邮件地址格式合法 <c>false</c>表示邮件地址格式不合法<</returns>
  public static bool IsValidEMailAddress(string email)
  {
  return Regex.IsMatch(email, @"^([\w-]+\.)*?[\w-]+@[\w-]+\.([\w-]+\.)*?[\w]+$");
  }
}

--SqlServer2005 中的挂接脚本、代码、相关说明
IF OBJECT_ID(N'Users') IS NOT NULL
drop table Users
go
CREATE TABLE Users --(测试用)用户表
(
  UserName nvarchar(200) NOT NULL, --用户名
  RealName nvarchar(200) NOT NULL, --真实姓名
  EMail nvarchar(200) NOT NULL, --邮件地址
  MobilNumber varchar(20) not null --手机号码
);
GO

--建立触发器程序集
CREATE ASSEMBLY [SendSMSTrigger.XmlSerializers.dll] from 'E:\SendSMSTrigger.XmlSerializers.dll'
WITH PERMISSION_SET = UNSAFE;
go
--建立序列化处理器程序集
CREATE ASSEMBLY SendSMSTrigger from 'E:\SendSMSTrigger.dll'
WITH PERMISSION_SET = UNSAFE;
go

--提升SqlServer支持版本
EXEC sp_dbcmptlevel N'DB_EMP2', 90
go
--开通CLR权限
EXEC sp_configure 'show advanced options' , '1';
GO
RECONFIGURE;
GO
EXEC sp_configure 'clr enabled' , '1'
GO
RECONFIGURE;
GO

IF OBJECT_ID(N'trig_SendSMSTrigger') IS NOT NULL
drop TRIGGER trig_SendSMSTrigger
go
--建立SqlServer触发器并 C#触发器关联
CREATE TRIGGER trig_SendSMSTrigger
ON Users
FOR INSERT
AS
EXTERNAL NAME SendSMSTrigger.SendSMSTrigger.SendSMS
go

--测试，模拟用户注册，成功后您将收到 注册成功通知邮件和手机短信通知
insert into Users (UserName,RealName,EMail,MobilNumber)
values('USer0001', '百万商业圈', '[e-mail]', '13818466XXX')
go