private void heThongToolStripMenuItemQLThamSo_Click(object sender, EventArgs e) { Form frm = KiemTraTonTai(typeof(FormQuanLyThamSo)); if (frm != null) { frm.Activate(); } else { FormQuanLyThamSo fQLThamSo = new FormQuanLyThamSo(); fQLThamSo.MdiParent = this; fQLThamSo.Show(); } }
private void ThamSo_barButtonItem_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e) { Form frm = KiemTraTonTai(typeof(FormQuanLyThamSo)); if (frm != null) { frm.Activate(); } else { FormQuanLyThamSo fQLThamSo = new FormQuanLyThamSo(); fQLThamSo.MdiParent = this; fQLThamSo.Show(); } }