private void barbt_saoluu_ItemClick(object sender, ItemClickEventArgs e)
        {
            frmBackup frm = new frmBackup();

            frm.Show();
        }
        private void navBarItem_Saoluu_LinkClicked(object sender, DevExpress.XtraNavBar.NavBarLinkEventArgs e)
        {
            frmBackup frm = new frmBackup();

            frm.Show();
        }