Working but won't save in the database

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using MySql.Data.MySqlClient;


namespace Project1
{
    public partial class Register : Form
    {
       private MySqlConnection myCon = new MySqlConnection("server=MKHX112208;uid=ojt;pwd=Password1;database=ask_it");
       private MySqlCommand myCom;
       

        public Register()
        {
            InitializeComponent();
        }

        MySqlConnection con;
        MySqlCommand cmd;
        MySqlDataReader dr;
       

        private void btnRegister_Click(object sender, EventArgs e)

        {
            con.Open();
            MySqlCommand cmd = new MySqlCommand();
            cmd.Connection = con;
          

            {
                cmd.CommandText = "INSERT INTO users (firstname, lastname, username, password, emailadd) VALUES(@firstname, @lastname, @username, @password, @emailadd)";

                cmd.Parameters.AddWithValue("@firstname", txtFirstName.Text);
                cmd.Parameters.AddWithValue("@lastname", txtLastName.Text);
                cmd.Parameters.AddWithValue("@username", txtUserName.Text);
                cmd.Parameters.AddWithValue("@password", txtPassword.Text);
                cmd.Parameters.AddWithValue("@emailadd", txtEmailadd.Text);

               
                cmd.ExecuteNonQuery();
                con.Close();

                MessageBox.Show("Saving is done!");

            }
            
        }