sendemail.aspx.cs

This is not a very mean things

//-----------------------------------------------------------------------
//
// WebExpert.NET 1.0 
//
// (c) 2003, www.AspCool.com. All rights reserved.
// ASP酷技术网 版权所有
//
// 该源码下载自：http://www.51aspx.com
// 邮箱：[e-mail]
//
// 版权声明：本程序仅供学习使用，你也可以修改后在网站上使用，但使用时必
// 须保留ASP酷技术网(www.AspCool.com)的版权信息和链接。本程序随《ASP.NET
// 网站建设专家》一书赠送，未经作者同意，不得随意修改、传播。
//
// 描述:
//   此文件包含下面的类：
//       SendEmail
//
// 作者:     王保健
// 时间:     2005-01-15
//
//------------------------------------------------------------------------
using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Data.SqlClient;
using System.Configuration;
using System.Drawing;
using System.Web;
using System.Web.Mail;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;

namespace AspCool.WebExpert
{
	/// <summary>
	/// Summary description for SendEmail.
	/// </summary>
	public class SendEmail : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.TextBox txtSubject;
		protected System.Web.UI.WebControls.Button btnSend;
		protected System.Web.UI.WebControls.RequiredFieldValidator RequiredFieldValidator1;
		protected System.Web.UI.WebControls.TextBox txtContent;
		protected System.Web.UI.WebControls.RequiredFieldValidator RequiredFieldValidator2;
		protected System.Web.UI.WebControls.CheckBox chb;
		protected System.Web.UI.WebControls.TextBox txtPassword;
		protected System.Web.UI.WebControls.RequiredFieldValidator RequiredFieldValidator3;
		protected System.Web.UI.WebControls.Label Label1;
		protected System.Web.UI.WebControls.Button btnCancel;
	
		private void Page_Load(object sender, System.EventArgs e)
		{
			// Put user code to initialize the page here
		}

		#region Web Form Designer generated code
		override protected void OnInit(EventArgs e)
		{
			//
			// CODEGEN: This call is required by the ASP.NET Web Form Designer.
			//
			InitializeComponent();
			base.OnInit(e);
		}
		
		/// <summary>
		/// Required method for Designer support - do not modify
		/// the contents of this method with the code editor.
		/// </summary>
		private void InitializeComponent()
		{    
			this.btnSend.Click += new System.EventHandler(this.btnSend_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void btnSend_Click(object sender, System.EventArgs e)
		{
			if (txtPassword.Text == ConfigurationSettings.AppSettings["Admin.Password"] )
			{
				//创建数据库连接
				SqlConnection myConnection = new SqlConnection( ConfigurationSettings.AppSettings ["ConnectionString"]);
				myConnection.Open(); //打开数据库连接

				//定义获取邮件地址的SQL语句
				string sql = "SELECT Email FROM NewsLetters ";

				SqlDataAdapter adapter = new SqlDataAdapter(sql,myConnection);

				//定义DataSet
				DataSet ds=new DataSet();

				//填充DataSet
				adapter.Fill(ds);

				//清空显示内容
				Label1.Text = "";

				for (int i=0;i<ds.Tables[0].Rows.Count;i++)
				{
					//显示每个邮件的发送结果
					Label1.Text += Send(ds.Tables[0].Rows[i]["Email"].ToString())+"<br>";
				}
				myConnection.Close();
			}
			else
			{
				Label1.Text = "发送密码错误！";
			}
		}
		private string Send(string email)
		{
			//定义邮件消息
			MailMessage mailMsg=new MailMessage();
			//邮件采用简体中文发送
			mailMsg.BodyEncoding=System.Text.Encoding.GetEncoding(936);

			//判断是HTML格式还是文本格式
			if (chb.Checked) 
				mailMsg.BodyFormat = MailFormat.Html;
			else
				mailMsg.BodyFormat = MailFormat.Text;

			//发件人
			mailMsg.From= ConfigurationSettings.AppSettings["webmaster"];;
			//收件人
			mailMsg.To=email;
			//主题
			mailMsg.Subject=txtSubject.Text;
			//内容
			mailMsg.Body= txtContent.Text;
			//邮件发送服务器
			SmtpMail.SmtpServer= ConfigurationSettings.AppSettings["smtpserver"];
			try
			{
				//发送邮件
				SmtpMail.Send(mailMsg);
				//返回成功信息
				return email+"发送成功";
			}
			catch
			{
				//返回失败信息
				return email+"发送失败";
			}
		}

		
	}
}