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Code example for sending custom html format emails using C#

黄舟Original: 2017-03-23 11:52:082484browse

This article mainly introduces how to send customized html format emails through C#, and introduces in detail the method of sending HTML format emails. Those who are interested can learn more.

To send HTML format emails, you need to set the IsBodyHtml property of the MailMessage object to true.

The class MailMessage is under the namespace System.Net.Mail.

using System.Net.Mail;

Sending emails in HTML format has been implemented in the HoverTreeTop project and was sent successfully.

Needs to depend on the HoverTreeEmail class of the HoverTreeFrame project.

The method is:

The code is as follows:

public static string HoverTreeSendEmail(string userName, string password, SmtpClient smtpClient, MailMessage mailMessage)

Page screenshot:

##EmailSend .aspx page:

<h2>发送邮件</h2>
  <br />收信人邮箱：<asp:TextBox runat="server" ID="textBox_mail" TextMode="Email" Columns="53" />
  <br />标题：<asp:TextBox runat="server" ID="textBox_title" Columns="60" />
  <br /><asp:CheckBox runat="server" ID="checkBox_isHtml" Text="是否HTML格式" />
  <br />内容：
  <br /><asp:TextBox runat="server" ID="textBox_content" TextMode="MultiLine" Rows="10" Columns="70" />
  <br /> <asp:Button runat="server" ID="button_send" Text="发送邮件" OnClick="button_send_Click" />
    <br />
    <asp:Literal runat="server" ID="literal_tips" />

EmailSend.aspx.cs code:

using System;
using System.Net.Mail;
using HoverTree.HoverTreeFrame.HtNet;
using HoverTreeTop.HtConfig.MyConfig;

namespace HoverTreeTop.HoverTree.HoverTreePanel.HTPanel.HEmail
{
  public partial class EmailSend : System.Web.UI.Page
  {
    protected void Page_Load(object sender, EventArgs e)
    {

    }

    protected void button_send_Click(object sender, EventArgs e)
    {
      //使用smtp来发送邮件
      //literal_tips.Text = HoverTreeEmail.HoverTreeSendEmail("smtp.hovertree.com", "hello@.mail.hovertree.com", 
      "hewenqi", "hello@mail.hovertree.com", "ht@mail.hovertree.com", "祝你生日快乐！", "生日快乐！天天开心！ -- 何问起");
      // literal_tips.Text = HoverTreeEmail.HoverTreeSendEmail(HtSmtpConfig.HtSmtpHost, HtSmtpConfig.HtSmtpUserName, 
      HtSmtpConfig.HtSmtpPassword, HtSmtpConfig.HtSmtpFromEmail, textBox_mail.Text.Trim(), textBox_title.Text, textBox_content.Text);

      SmtpClient h_smtpClient = new SmtpClient();
      h_smtpClient.Host = HtSmtpConfig.HtSmtpHost;
      MailMessage h_mailMessage = new MailMessage();
      h_mailMessage.From = new MailAddress(HtSmtpConfig.HtSmtpFromEmail);
      h_mailMessage.To.Add(textBox_mail.Text.Trim());
      h_mailMessage.Subject = textBox_title.Text.Trim();
      h_mailMessage.Body = textBox_content.Text;
      h_mailMessage.IsBodyHtml = checkBox_isHtml.Checked;

      literal_tips.Text = HoverTreeEmail.HoverTreeSendEmail(HtSmtpConfig.HtSmtpUserName, HtSmtpConfig.HtSmtpPassword, h_smtpClient, h_mailMessage);

      if (literal_tips.Text == "")
      {
        literal_tips.Text = "发送成功！";
        textBox_content.Text = "";
        textBox_title.Text = "";
        textBox_mail.Text = "";
      }
    }
  }
}

Sample content for sending:

<html>
<body>
  <h2>C#发送html格式的邮件 </h2>
  <p style="background-color:green;width:200px;height:100px;color:white">HoverTreeTop</p>
</body>
</html>

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