Send Mail With Attachment File Using C# in ASP.NET

Introduction
This article lists code to send a mail with an attachment file.

Background

We send mail using System.Net.Mail.

Using the code

string ToAddress = TextBox3.Text; const string FromAddress = YourGmailId; //ForExample:tejasbhalani@gmail.com

string Subject = TextBox6.Text; String Body = TextBox4.Text; System.Net.Mail.MailMessage mail = new System.Net.Mail.MailMessage(); mail.To.Add(ToAddress); mail.From = new MailAddress(FromAddress); mail.Subject = Subject; mail.Body = Body; if (FileUpload1.PostedFile != null) { HttpPostedFile attFile = FileUpload1.PostedFile; int attachFileLength = attFile.ContentLength; if (attachFileLength > 0) { FileNameToAttache = Path.GetFileName(FileUpload1.PostedFile.FileName); FileUpload1.PostedFile.SaveAs(Server.MapPath(FileNameToAttache)); mail.Attachments.Add(new Attachment(Server.MapPath(FileNameToAttache))); } } mail.Priority = System.Net.Mail.MailPriority.High; SmtpClient client = new SmtpClient(); client.Credentials = new System.Net.NetworkCredential(FromAddress, "YourGmailPassword"); client.Port = 587; // Gmail works on this portclient.Host = "smtp.gmail.com"; client.EnableSsl = true; //Gmail works on Server Secured Layertry { client.Send(mail); } catch (Exception error) { throw error; }

This Code For Succesfully Run............