C＃：PDFファイルを電子メールに添付するにはどうすればよいですか？

Question

以下は私が受信者に電子メールを送信しようとする私のコードです。プロジェクトフォルダに保存されている.PDFファイルを添付します。私は使用しようとしました：

mail.Attachments.Add(new Attachment("c:\\temp\\example.txt")); 

しかし、それは動作していません。ファイルを添付するにはどうすればいいですか？

C＃のコードサンプル

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

namespace SendEmail 
{ 

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

    protected void SendMail() 
    { 

     var fromAddress = ""; 
     var toAddress = ""; 
     //Password of your gmail address 
     const string fromPassword = ""; 
     string subject = "INCOMPLETE APPLICATION CASE ID [CASE ID]"; 
     string body = "Your Incomplete Grade Application has been Result[]"; 

     // smtp settings 
     var smtp = new System.Net.Mail.SmtpClient(); 
     { 
      smtp.Host = "10.12.46.3"; 
      smtp.Port = 25; 
      smtp.EnableSsl = false; 
      smtp.DeliveryMethod = System.Net.Mail.SmtpDeliveryMethod.Network; 
      smtp.Credentials = new NetworkCredential(fromAddress, fromPassword); 
      smtp.Timeout = 20000; 
     } 
     // Passing values to smtp object 
     smtp.Send(fromAddress, toAddress, subject, body); 
    } 
} 
} 

Answer 1

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

namespace SendEmail 
{ 
public partial class SendEmail : System.Web.UI.Page 
{ 

    protected void Page_Load(object sender, EventArgs e) 
    { 
     SendMail(); 
    } 
    protected void SendMail() 
    { 

     MailMessage mail = new MailMessage(); 

     mail.From = new MailAddress(""); 
     mail.To.Add(""); 
     mail.Subject = "INCOMPLETE APPLICATION CASE ID [CASE ID]"; 
     mail.Body = "Your Incomplete Grade Application has been Result[]"; 

     System.Net.Mail.Attachment attachment; 
     attachment = new System.Net.Mail.Attachment(Server.MapPath("files/test.pdf")); 
     mail.Attachments.Add(attachment); 
     var smtp = new System.Net.Mail.SmtpClient(); 
     { 
      smtp.Host = "10.12.46.3"; 
      smtp.Port = 25; 
      smtp.EnableSsl = false; 
      smtp.DeliveryMethod = System.Net.Mail.SmtpDeliveryMethod.Network; 
      smtp.Credentials = new NetworkCredential("", ""); 
     } 
     smtp.Send(mail); 
    } 

} 

} 

Answer 2

コメントのための時間がない今、これはあなたのバインドのあなたを取得します。

private void SendIt() 
    { 
     var fromAddress = ""; 
     var toAddress = ""; 
     //Password of your gmail address 
     const string fromPassword = ""; 
     // smtp settings 
     var smtp = new System.Net.Mail.SmtpClient(); 
     { 
      smtp.Host = ""; 
      smtp.Port = 25; 
      smtp.EnableSsl = false; 
      smtp.DeliveryMethod = System.Net.Mail.SmtpDeliveryMethod.Network; 
      smtp.Credentials = new NetworkCredential(fromAddress, fromPassword); 
      smtp.Timeout = 20000; 
     } 
     MailMessage msg = new MailMessage(); 
     MailAddress ma = new MailAddress(fromAddress); 
     msg.To.Add(toAddress); 
     msg.From = ma; 
     msg.Attachments.Add(new Attachment(@"C:\temp\myreport.log")); 
     msg.Body = "Your body message"; 
     msg.Subject = "Your subject line"; 
     smtp.Send(msg); 
    }