private void UserEdit_Click(object sender, EventArgs e)
        {
            Frm_UserEdit childform = new Frm_UserEdit();

            childform.MdiParent = this;
            childform.Show();
        }
        private void btn_edit_Click(object sender, EventArgs e)
        {
            Frm_UserEdit fedit = new Frm_UserEdit();

            fedit.ShowDialog();
        }
        private void metroTile2_Click(object sender, EventArgs e)
        {
            Frm_UserEdit userEdit = new Frm_UserEdit();

            userEdit.ShowDialog();
        }