private void AddNewAdminUser()
    {
        _adminUser.UserName = txtUserName.Text;
        _adminUser.Password = MD5Password.MD5Hash(txtPassword.Text);
        _adminUser.Email    = txtEmail.Text;
        _adminUser.FullName = txtFullName.Text;
        _adminUser.Active   = chkbActive.Checked;

        _adminUserBll.InsertAdminUser(_adminUser);
    }