C # send messages contain pictures

            List<string> to = new list<string> ();            To.add ("[email protected]");            list<string> CC = new list<string> (); Cc.            Add ("[email protected]");            MailMessage Message = new MailMessage ();            Message.isbodyhtml = true;            message.bodyencoding = Utf8encoding.utf8;            message.subjectencoding = Utf8encoding.utf8;            message.priority = Mailpriority.normal;            Message.sender = new MailAddress ("[email protected]");            Message.subject = "Test";            Message.from = new MailAddress ("[email protected]");            for (int i = 0; i < To.count; i++) {Message.To.Add (New mailaddress (To[i])); } for (int i = 0; i < CC. Count;            i++) {Message.CC.Add (New mailaddress (Cc[i]));            } message.body = Genmailbody (); Add Attachment Message.Attachments.Add (new atTachment ("c:\\aa.jpg")); Set attachment type Message.attachments[0].            Contenttype.name = "Image/jpg"; Set the attachment Id message.attachments[0].            ContentId = "Ewen"; Set the attachment to inline-inline message.attachments[0].            Contentdisposition.inline = true; Set the encoding format of the attachment Message.attachments[0].            transferencoding = System.Net.Mime.TransferEncoding.Base64;            SmtpClient client = new SmtpClient (); Client.            Host = "Smtp.local"; Client.            Deliverymethod = Smtpdeliverymethod.network;            BOOL Issend = false; try {client.            Send (Message); } catch (Exception E1) {//maillog (to, to, E1.            Message.tostring ()); }

is mainly

Message.attachments[0]. ContentId = "Ewen"
The ID set in the mail body should correspond to the SRC in the img tag

        public static string Genmailbody ()        {            StringBuilder sb = new StringBuilder ();            Sb. Append ("Dear suppliers:<br/>");            Sb. Append ("The recent Askey video, Asahi Import label, mainly due to the label serial ID code re-caused Askey can not be on the line, you are hereby notified suppliers special attention to this item!" <br/> ");            Sb. Append ("If you have any questions please e-mail to [email protected], [email protected]<br/>");            Sb. Append (" ");            Return SB. ToString ();        }

　　

C # send messages contain pictures