private void btn_xuatnhap_Click(object sender, EventArgs e) { this.Hide(); frmPhieuMuonTra muontra = new frmPhieuMuonTra(); muontra.ShowDialog(); }
private void quảnLýPhiếuMượnTrảToolStripMenuItem_Click(object sender, EventArgs e) { this.Hide(); frmPhieuMuonTra muontra = new frmPhieuMuonTra(); muontra.ShowDialog(); }