asp.net2.0实现邮件发送(测试成功)

1、Default.aspx代码如下：

复制代码代码如下:

<%@ Page Language="C#" AutoEventWireup="true"  CodeFile="Default.aspx.cs" Inherits="_Default" ValidateRequest="false" %>  

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">  

<html xmlns="http://www.w3.org/1999/xhtml" >  
<head runat="server">  
    <title>无标题页</title>  
</head>  
<body>  
    <form id="form1" runat="server">  
    <div>  
        <table id="TABLE1" runat="server" border="0" cellpadding="0" cellspacing="0">  
            <tr>  
                <td style="width: 393px">  
                    收信:<asp:TextBox ID="TextBox1" runat="server"></asp:TextBox><br />  
                    主题:<asp:TextBox ID="TextBox2" runat="server"></asp:TextBox><br />  
                    内容:<asp:TextBox ID="TextBox3" runat="server" Height="154px" TextMode="MultiLine"  
                        Width="336px"></asp:TextBox><br />  
                    <asp:Button ID="Button1" runat="server" Text="发送" OnClick="Button1_Click" /></td>  
            </tr>  
        </table>  

    </div>  
        <table id="Table2" runat="server" border="0" cellpadding="0" cellspacing="0" visible="false">  
            <tr>  
                <td align="center" style="width: 400px">  
                    <asp:Label ID="Label1" runat="server" ForeColor="Red" Text="恭喜您，发表成功!"></asp:Label><br />  
                    <asp:Button ID="Button2" runat="server" Text="返回" OnClick="Button2_Click" /></td>  
            </tr>  
        </table>  
    </form>  
</body>  
</html> 

2、Default.aspx.cs代码如下：

复制代码代码如下:

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;  
    }  
} 

3、运行并输入测试信箱zgdx0503@tom.com,（密码：123456）。如下所示：

4、打开信箱查看

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