private void flatClose1_Click(object sender, EventArgs e)
        {
            Application.Exit();
            Environment.Exit(4);
        }

        private void flatButton2_Click(object sender, EventArgs e)
        {
            if (!flatTextBox2.Text.Equals("") && !flatTextBox1.Text.Equals("")) ;


            StringBuilder sb = new StringBuilder();
            using (SHA256 hash = SHA256Managed.Create())
            {
                Encoding enc = Encoding.UTF8;
                Byte[] result = hash.ComputeHash(enc.GetBytes(flatTextBox2.Text));

                foreach (Byte b in result)
                {
                    sb.Append(b.ToString("x2"));
                }

            }

            string connectionstring = "datasource=127.0.0.1;port=3306;username=root;password=your_password;database=xproject ex;SslMode=none;";
            string query = "INSERT INTO users(ID,Username,Password) VALUES(null, '" + flatTextBox1.Text + "', " + sb.ToString() + "')";
            string query2 = "SELECT * FROM users WHERE username='" + flatTextBox1.Text + "' AND password='" + sb.ToString() + "'";

            MySqlConnection databaseconnection = new MySqlConnection(connectionstring);
            MySqlCommand insertcommand = new MySqlCommand(query, databaseconnection);
            MySqlCommand Checkcommand = new MySqlCommand(query2, databaseconnection);
            insertcommand.CommandTimeout = 60;
            Checkcommand.CommandTimeout = 60;
            MySqlDataReader reader;
            try
            {
                databaseconnection.Open();
                reader = insertcommand.ExecuteReader();
                reader.Close();
                reader = Checkcommand.ExecuteReader();

                if (reader.HasRows)
                {
                    MessageBox.Show("You have been registered");
                }
                else
                {
                    MessageBox.Show("Sql Code Error");
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.ToString());
            }

        }
    }

}