private void menu_lich_su_hd_Click(object sender, EventArgs e) { //this.Hide(); frmLichSuHoaDon f = new frmLichSuHoaDon(); this.Hide(); f.ShowDialog(); this.Show(); }
private void itemLSBan_LinkClicked(object sender, DevExpress.XtraNavBar.NavBarLinkEventArgs e) { Form frm = KiemTraTonTai(typeof(frmLichSuHoaDon)); if (frm != null) { frm.Activate(); } else { frmLichSuHoaDon f = new frmLichSuHoaDon(); f.MdiParent = this; f.Show(); } }