sendmail.aspx.cs

收发邮件功能

using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Net.Mail;
using System.Data.SqlClient;

public partial class SendMail : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (Request.QueryString["email"] != null)
        {
            ToEmail.Text = Request.QueryString["email"].ToString();
        }
    }
    protected void SendEmail_Click(object sender, EventArgs e)
    {
        if (AttachmentFile.FileName != "" || AttachmentFile.PostedFile != null)
        {
            try
            {
                string ToAddress = ToEmail.Text;
                string FromAddress = FromMail.Text;
                Insert_mail(ToAddress, FromAddress, Subject.Text, Body.Text);

                MailMessage m_message = new MailMessage(FromAddress, ToAddress);
                m_message.Subject = Subject.Text;
                m_message.Body = Body.Text;
                m_message.IsBodyHtml = false;
                m_message.Attachments.Add(new System.Net.Mail.Attachment(AttachmentFile.PostedFile.InputStream, AttachmentFile.FileName));
                SmtpClient m_smtpClient = new SmtpClient();
                m_smtpClient.Send(m_message);
                message.Visible = true;
                message.Text = "发送成功";
            }
            catch (Exception exx)
            {
                message.Visible = false;
                message.Text = exx.Message;
            }
        }
    }

    void Insert_mail(string to, string from, string subjuect, string body)
    {
        //读取数据库连接字符串
        string settings = Convert.ToString(ConfigurationManager.ConnectionStrings["SqlServices"]);
        //创建数据库连接
        SqlConnection myconn = new SqlConnection(settings);
        //打开数据库连接
        myconn.Open();
        string strsql = "insert into Mails(MailTo,MailFrom,MailSubject,MailBody,Flag)";
        strsql = strsql + "Values('" + to + "','" + from + "','" + subjuect + "','" + body + "',1)";

        //创建数据库命令
        SqlCommand mycmd = new SqlCommand(strsql, myconn);
        //进行数据库操作
        mycmd.ExecuteNonQuery();
        //关闭数据库连接
        myconn.Close();
    }
    protected void preSend_Click(object sender, EventArgs e)
    {
        string to = ToEmail.Text;
        string from = FromMail.Text;
        string subject = Subject.Text;
        string body = Body.Text;

        //读取数据库连接字符串
        string settings = Convert.ToString(ConfigurationManager.ConnectionStrings["SqlServices"]);
        //创建数据库连接
        SqlConnection myconn = new SqlConnection(settings);
        //打开数据库连接
        myconn.Open();
        string strsql = "insert into Mails(MailTo,MailFrom,MailSubject,MailBody,Flag)";
        strsql = strsql + "Values('" + to + "','" + from + "','" + subject + "','" + body + "',2)";

        //创建数据库命令
        SqlCommand mycmd = new SqlCommand(strsql, myconn);
        //进行数据库操作
        mycmd.ExecuteNonQuery();
        //关闭数据库连接
        myconn.Close();
        Response.Redirect("MailBox.aspx?type=3");
    }

}