Mail header Problem

Hi,

I am trying to send email through System.Net.Mail.

It is working properly but it is not showing from name or mail header. My code is as follows. Any one help me


''#################Sending Email##########################
''Create instance of main mail message class.
Dim mailMessage As System.Net.Mail.MailMessage = New System.Net.Mail.MailMessage()

mailMessage.Headers.Add(lblFromName.Text, lblFromName.Text) '###########Problem Area################

mailMessage.From = New System.Net.Mail.MailAddress(lblFromEmail.Text.Trim())

mailMessage.To.Add(New System.Net.Mail.MailAddress(lblEmailAddress.Text.Trim()))
mailMessage.Priority = System.Net.Mail.MailPriority.Normal
mailMessage.IsBodyHtml = True
mailMessage.Subject = lblSubject.Text.Trim()
mailMessage.Body = HiddenFieldMessage.Value & FooterMessage

Dim smtpClient As ...