private void danhSáchGiảngViênToolStripMenuItem_Click(object sender, EventArgs e) { frmGiangVien giangVien = new frmGiangVien(); //this.Hide(); giangVien.Show(); }
private void barGiangVien_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e) { Form frm = this.KiemTraTonTai(typeof(frmGiangVien)); if (frm != null) { frm.Activate(); } else { frmGiangVien f = new frmGiangVien(); f.MdiParent = this; f.Show(); } }