Sending mail using gmail from contact us page with sender name in ASP.Net

Hello 

sending mail using gmail on contact us page.

with below link code

http://www.aspsnippets.com/Articles/How-to-create-Contact-Us-Page-in-ASPNet.aspx

But sender name not showing in mail.

from:		evasola.com@gmail.com
to:		evasola.com@gmail.com
date:		Fri, Aug 5, 2016 at 12:35 PM
subject:		test
mailed-by:		gmail.com
:		Important mainly because of your interaction with messages in the conversation

  MailMessage mm = new MailMessage("dilip@kusedesign.com", "evasola.com@gmail.com");
    mm.Subject = txtSubject.Text;
    mm.Body = "Name: " + txtName.Text + "<br /><br />Email: " + txtEmail.Text + "<br />" + txtBody.Text;
    if (FileUpload1.HasFile)
    {
        string FileName = System.IO.Path.GetFileName(FileUpload1.PostedFile.FileName)   ; 
        mm.Attachments.Add(new Attachment(FileUpload1.PostedFile.InputStream, FileName)); 
    }
    mm.IsBodyHtml = true;
    SmtpClient smtp = new SmtpClient();
    smtp.Host = "smtp.gmail.com";
    smtp.EnableSsl = true;
    System.Net.NetworkCredential NetworkCred = new System.Net.NetworkCredential();
    NetworkCred.UserName = "evasola.com@gmail.com";
    NetworkCred.Password = "XXXX";
    smtp.UseDefaultCredentials = true;
    smtp.Credentials = NetworkCred;
    ServicePointManager.ServerCertificateValidationCallback =
    delegate(object s, X509Certificate certificate,
             X509Chain chain, SslPolicyErrors sslPolicyErrors)
    { return true; };
    smtp.Port = 587;
    smtp.Send(mm);
    lblMessage.Text = "Email Sent SucessFully.";