using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
//倒入命名空间
using System.Net;
using System.Net.Mail;
public partial class _Default : System.Web.UI.Page 
{
 protected void Page_Load(object sender, EventArgs e)
 {
 }
 protected void Button1_Click(object sender, EventArgs e)
 {
 ////设置发件人信箱,及显示名字
 MailAddress from = new MailAddress("zgdx0503@cpp114.com", "延边职大信息中心");
 //设置收件人信箱,及显示名字 
 MailAddress to = new MailAddress(TextBox1.Text, "0503班");
 //创建一个MailMessage对象
 MailMessage oMail = new MailMessage(from, to); 
 oMail.Subject = TextBox2.Text; //邮件标题 
 oMail.Body = TextBox3.Text; //邮件内容
 oMail.IsBodyHtml = true; //指定邮件格式,支持HTML格式 
 oMail.BodyEncoding = System.Text.Encoding.GetEncoding("GB2312");//邮件采用的编码 
 oMail.Priority = MailPriority.High;//设置邮件的优先级为高
 //发送邮件服务器
 SmtpClient client = new SmtpClient();
 client.Host = "mail.cpp114.com"; //指定邮件服务器
 client.Credentials = new NetworkCredential("zgdx0503@cpp114.com", "123456");//指定服务器邮件,及密码
 //发送
 try
 {
 client.Send(oMail); //发送邮件
 Label1.Text = "恭喜你!邮件发送成功。";
 }
 catch
 {
 Label1.Text = "邮件发送失败,检查网络及信箱是否可用。";
 }
 oMail.Dispose(); //释放资源
 TABLE1.Visible = false;
 Table2.Visible = true;
 }
 protected void Button2_Click(object sender, EventArgs e)
 {
 //返回,继续发送
 Response.Redirect(Request.Url.ToString());
 TABLE1.Visible = true;
 Table2.Visible = false;
 }
}