private void EmailSend()
{
//System.Web.Mail.SmtpMail.Send("chenee543217@yahoo.com.cn","chenee543216@yahoo.com.cn","test","It is a simple test");
System.Web.Mail.MailMessage myEmail=new MailMessage();
myEmail.From=this.TextBox1.Text;
myEmail.To=this.TextBox2.Text;//destination 如果要发送给多人,用逗好分开每个地址
myEmail.Cc=this.TextBox3.Text;//抄送 如果要发送给多人,用逗好分开每个地址
myEmail.Bcc=this.TextBox4.Text;//密送 如果要发送给多人,用逗好分开每个地址
myEmail.Subject=this.TextBox5.Text;//Email Subject
myEmail.Body=this.TextBox6.Text;//the body of mail
myEmail.Priority=System.Web.Mail.MailPriority.High;//mail's priority
myEmail.BodyFormat=MailFormat.Text;//mail body format
System.Web.Mail.SmtpMail.SmtpServer="";//default mail server
string strEmailFile=this.EmailfileBrowser.Value.ToString();//this.EmailfileBrowser.PostedFile.FileName;
if(strEmailFile!="")
myEmail.Attachments.Add(new MailAttachment(strEmailFile));
System.Web.Mail.SmtpMail.Send(myEmail);
}