为什么通过带有C＃的asp.net在邮件发送过程中，Outlook中没有显示图像？ [英] Why Image is not shown in Outlook during the mail sending process via asp.net with C#?
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问题描述
我无法通过asp.net使用c＃2.0 / c＃1.1发送邮件时查看图像。我的代码如下：
string strMailContent = 欢迎新用户;
string fromAddress = alexander.junior @ nestgroup.net;
string toAddress = alexander.junior @ nestgroup.net;
string contentId = image1;
string path = Server.MapPath（ @ 图片/ welfare.jpg）; // 我的徽标位于图像文件夹中
MailMessage mailMessage = new MailMessage（fromAddress，toAddress）;
mailMessage.Bcc.Add（ alexander.junior@nestgroup.net）; // 将您的ID放在此处
mailMessage.Subject = 欢迎新用户;
LinkedResource logo = new LinkedResource（path）;
logo.ContentId = companylogo;
// 在下一行完成HTML格式以显示我的徽标
AlternateView av1 = AlternateView.CreateAlternateViewFromString（ < html>< body>< img src = cid：companylogo /> < br>< / body>< / html> + strMailContent， null ，MediaTypeNames.Text.Html）;
av1.LinkedResources.Add（logo）;
mailMessage.AlternateViews.Add（av1）;
mailMessage.IsBodyHtml = true ;
SmtpClient mailSender = new SmtpClient（ mail .nestgroup.net）; // 如果您在开发服务器中，请使用此
mailSender.Send（mailMessage）;
解决方案
如果你想嵌入身体使用
< pre lang =c＃> 尝试
{
// 从本地磁盘添加图像附件
附件oAttachment = oMail.AddAttachment（ d：\\test.gif）;
// 将附件指定为嵌入图像
< span class =code-comment> // contentid可以是任何字符串。
string contentID = test001 @ host;
oAttachment.ContentID = contentID;
oMail.HtmlBody = < html>< body>这是一个< img src = \ cid：< br mode = hold / > + contentID + \ >嵌入图片。< / body>< / HTML>中;
Console.WriteLine（ 开始发送包含嵌入图片的电子邮件......）;
oSmtp.SendMail（oServer，oMail）;
Console.WriteLine（ 电子邮件已成功发送！）;
}
catch （异常ep）
{
Console.WriteLine（ 无法发送包含以下错误的电子邮件：）;
Console.WriteLine（ep.Message）;
}
使用图片src的完整网址
AlternateView av1 = AlternateView.CreateAlternateViewFromString（ < html>< body>< img src = http： // www.yourdomain.com/images/companylogo.jpg/>< br> < / br>< / body>< / html>+ strMailContent，null，MediaTypeNames.Text.Html）;
I am unable to view the Image on sending mail via asp.net with c# 2.0/c# 1.1. My code as follows:
string strMailContent = "Welcome new user";
string fromAddress = "alexander.junior@nestgroup.net";
string toAddress = "alexander.junior@nestgroup.net";
string contentId = "image1";
string path = Server.MapPath(@"Images/welfare.jpg"); // my logo is placed in images folder
MailMessage mailMessage = new MailMessage(fromAddress, toAddress);
mailMessage.Bcc.Add("alexander.junior@nestgroup.net"); // put your id here
mailMessage.Subject = "Welcome new User";
LinkedResource logo = new LinkedResource(path);
logo.ContentId = "companylogo";
// done HTML formatting in the next line to display my logo
AlternateView av1 = AlternateView.CreateAlternateViewFromString("<html><body><img src=cid:companylogo/><br></body></html>" + strMailContent, null, MediaTypeNames.Text.Html);
av1.LinkedResources.Add(logo);
mailMessage.AlternateViews.Add(av1);
mailMessage.IsBodyHtml = true;
SmtpClient mailSender = new SmtpClient("mail.nestgroup.net"); //use this if you are in the development server
mailSender.Send(mailMessage); 解决方案
If you want to embedded in to body use
try { // Add image attachment from local disk Attachment oAttachment = oMail.AddAttachment( "d:\\test.gif" ); // Specifies the attachment as an embedded image // contentid can be any string. string contentID = "test001@host"; oAttachment.ContentID = contentID; oMail.HtmlBody = "<html><body>this is a <img src="\"cid:"<br" mode="hold" /> + contentID + "\"> embedded image.</body></html>"; Console.WriteLine("start to send email with embedded image..."); oSmtp.SendMail(oServer, oMail); Console.WriteLine("email was sent successfully!"); } catch (Exception ep) { Console.WriteLine("failed to send email with the following error:"); Console.WriteLine(ep.Message); }
Use full url for image src
AlternateView av1 = AlternateView.CreateAlternateViewFromString("<html><body><img src="http://www.yourdomain.com/images/companylogo.jpg" /><br></br></body></html>" + strMailContent, null, MediaTypeNames.Text.Html);
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