public static ChangePasswordFragment NewInstance()
        {
            var change_password_fragment = new ChangePasswordFragment {
                Arguments = new Bundle()
            };

            return(change_password_fragment);
        }
        private void GoChangePassword(object sender, EventArgs e)
        {
            FragmentTransaction    ft = FragmentManager.BeginTransaction();
            ChangePasswordFragment changePasswordFragment = new ChangePasswordFragment();

            ft.Replace(Resource.Id.content_frame, changePasswordFragment, "f4");
            ft.AddToBackStack(null);
            ft.Commit();
        }