private void btnPwdChange_Click(object sender, EventArgs e)
        {
            bool actualIgual = Encryptor.CompararMD5(txtOld.Text, password);
            bool nuevaIgual  = txtNew.Text.Equals(txtConfirm.Text);
            bool nuevaValida = txtNew.Text.Length > 0;

            if (actualIgual && nuevaIgual && nuevaValida)
            {
                try
                {
                    AppUserDAO.passwordChange(username, Encryptor.CrearMD5(txtNew.Text));

                    MessageBox.Show("Password updated successfully!",
                                    "HUGO", MessageBoxButtons.OK, MessageBoxIcon.Information);

                    this.Close();
                }
                catch (Exception)
                {
                    MessageBox.Show("Error, try again please.",
                                    "HUGO", MessageBoxButtons.OK, MessageBoxIcon.Error);
                }
            }
            else
            {
                MessageBox.Show("Error, incorrect input.",
                                "HUGO", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
            }
        }