小编Aru*_*nan的帖子

下面是我正在使用的代码。请告知如何纠正此问题。

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.IO;
using System.Net;
using System.Net.Mail;

public partial class mailtest : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{

}

protected void SendEmail(object sender, EventArgs e)
{
    lblmsg.Text = "";
    try
    {
        using (MailMessage mm = new MailMessage(txtEmail.Text, txtTo.Text))
        {
            mm.Subject = txtSubject.Text;
            mm.Body = txtBody.Text;
            //if (fuAttachment.HasFile)
            //{
            //    string FileName = Path.GetFileName(fuAttachment.PostedFile.FileName);
            //    mm.Attachments.Add(new Attachment(fuAttachment.PostedFile.InputStream, FileName));
            //}
            mm.IsBodyHtml = false;
            SmtpClient smtp = new …