private void mnuTKNhanVien_Click(object sender, EventArgs e) { if (BCMT == null || BCMT.IsDisposed) { BCMT = new frmBCMuonTra(); BCMT.MdiParent = this; BCMT.Show(); } else { BCMT.Activate(); } }
private void btnInChiTiet_Click(object sender, EventArgs e) { frmBCMuonTra BC = new frmBCMuonTra(); BC.Show(); }