Data inserted in database and send it in mail to user after user has registered

//Inserting registration data of user!!!

SqlConnection con = newSqlConnection(ConfigurationManager.ConnectionStrings["RegConnectionString"].ConnectionString);

string inscmd = "Insert into Registration(Username, Password,EmailAddress,FullName,CNIC,city) Values(@UserName, @Password, @EmailAddress, @FullName, @CNIC, @City)";

SqlCommand InsertUser = new SqlCommand(inscmd, con);

InsertUser.Parameters.AddWithValue("@UserName", TextBoxUN.Text);

InsertUser.Parameters.AddWithValue("@Password", TextBoxPass.Text);

InsertUser.Parameters.AddWithValue("@EmailAddress", TextBoxEA.Text);

InsertUser.Parameters.AddWithValue("@FullName", TextBoxFN.Text);

InsertUser.Parameters.AddWithValue("@CNIC", TextBoxCNIC.Text);

InsertUser.Parameters.AddWithValue("@City", DropDownListCity.SelectedItem.ToString());

try

{

    con.Open();

    //Response.Write("Trying ...");

    InsertUser.ExecuteNonQuery();

    con.Close();

}

catch(SqlException ex)

{

    Response.Write(ex.Message);

    Response.Write("Failed!!! ...");

    Response.Write("<b>Something really bad happened .. try again later</b>");

}

//send mail message after user fills registration form

try               

{

    MailMessage msg = newMailMessage();

    msg.From = newMailAddress("pankaj.ics@gmail.com");

    msg.To.Add(TextBoxEA.Text);

    msg.Subject = "Your Registration is confirmed! ";

    msg.Body = "Dear " + TextBoxFN.Text + " Your Registration to motion voter system has been confirmed. .. Kindly note down your Voter's Identity Number(VIN) required for your login";

    SmtpClient Sc = newSmtpClient("smtp.gmail.com");

    Sc.Port = 587;

    Sc.Credentials = newNetworkCredential("pankaj.ics@gmail.com","password");

    Sc.EnableSsl = true;

    Sc.Send(msg);

    Response.Write("Sent!!! ... ");

    Response.Redirect("Login.aspx");

}

catch (Exception ex)

{

    Response.Write(ex.Message);

}