private void đăngNhậpToolStripMenuItem_Click(object sender, EventArgs e) { fLogin f = new fLogin(); f.Show(); this.Hide(); }
private void mượnTrảSáchToolStripMenuItem_Click(object sender, EventArgs e) { if (LoginAcc == null) { fLogin f = new fLogin(); f.Show(); } else { fMuonTra f = new fMuonTra(LoginAcc); f.ShowDialog(); } }
private void adminToolStripMenuItem_Click(object sender, EventArgs e) { if (LoginAcc == null) { fLogin f = new fLogin(); f.Show(); } else { fAdmin f = new fAdmin(); f.ShowDialog(); } }
private void thoátToolStripMenuItem_Click(object sender, EventArgs e) { fLogin f = new fLogin(); f.ShowDialog(); }