Send inline image in email

Question

Having an issue sending an image via email as an embedded image in the body. The image file shows as an attachment which is ok but the inline image portion just shows as a r

Answer 1

    MailMessage mail = new MailMessage();
    //set the addresses
    mail.From = new MailAddress("userid@gmail.com");
    mail.To.Add("userid@gmail.com");

    //set the content
    mail.Subject = "Sucessfully Sent the HTML and Content of mail";

    //first we create the Plain Text part
    string plainText = "Non-HTML Plain Text Message for Non-HTML enable mode";
    AlternateView plainView = AlternateView.CreateAlternateViewFromString(plainText, null, "text/plain");
    XmlTextReader reader = new XmlTextReader(@"E:\HTMLPage.htm");
    string[] address = new string[30];
    string finalHtml = "";
    var i = -1;
    while (reader.Read())
    {
        if (reader.NodeType == XmlNodeType.Element)
        { // The node is an element.
            if (reader.AttributeCount <= 1)
            {
                if (reader.Name == "img")
                {
                    finalHtml += "<" + reader.Name;
                    while (reader.MoveToNextAttribute())
                    {
                        if (reader.Name == "src")
                        {
                            i++;
                            address[i] = reader.Value;
                            address[i] = address[i].Remove(0, 8);
                            finalHtml += " " + reader.Name + "=" + "cid:chartlogo" + i.ToString();
                        }
                        else
                        {
                            finalHtml += " " + reader.Name + "='" + reader.Value + "'";
                        }
                    }
                    finalHtml += ">";
                }
                else
                {
                    finalHtml += "<" + reader.Name;
                    while (reader.MoveToNextAttribute())
                    {
                        finalHtml += " " + reader.Name + "='" + reader.Value + "'";
                    }
                    finalHtml += ">";
                }
            }

        }
        else if (reader.NodeType == XmlNodeType.Text)
        { //Display the text in each element.
            finalHtml += reader.Value;
        }
        else if (reader.NodeType == XmlNodeType.EndElement)
        {
            //Display the end of the element.
            finalHtml += "";
        }

    }

    AlternateView htmlView = AlternateView.CreateAlternateViewFromString(finalHtml, null, "text/html");
    LinkedResource[] logo = new LinkedResource[i + 1];
    for (int j = 0; j <= i; j++)
    {
        logo[j] = new LinkedResource(address[j]);
        logo[j].ContentId = "chartlogo" + j;
        htmlView.LinkedResources.Add(logo[j]);
    }
    mail.AlternateViews.Add(plainView);
    mail.AlternateViews.Add(htmlView);
    SmtpClient smtp = new SmtpClient();
    smtp.Host = "smtp.gmail.com";
    smtp.Port = 587;
    smtp.Credentials = new NetworkCredential(
        "userid@gmail.com", "Password");
    smtp.EnableSsl = true;
    Console.WriteLine();
    smtp.Send(mail);
}