private void simpleButton6_Click(object sender, EventArgs e)
        {
            this.Hide();
            XLoginForm z = new XLoginForm();

            z.Show();
        }
        private void XSignupForm_FormClosing(object sender, FormClosingEventArgs e)
        {
            this.Hide();
            XLoginForm a = new XLoginForm();

            a.Show();
        }