//private void quảnLíNhânViênToolStripMenuItem_Click(object sender, EventArgs e)
//{
// frmQuanLyNhanVien frm = new frmQuanLyNhanVien();
// frm.MdiParent = this;
// frm.Show();
//}
private void phiếuNhậpSáchToolStripMenuItem_Click(object sender, EventArgs e)
{
frmPhieuNhapSach frm = new frmPhieuNhapSach();
frm.MdiParent = this;
frm.Show();
}
private void PNStoolStripLabel1_Click(object sender, EventArgs e)
{
frmPhieuNhapSach formpns = new frmPhieuNhapSach();
formpns.Show();
}
private void phiếuNhậpSáchToolStripMenuItem_Click(object sender, EventArgs e)
{
frmPhieuNhapSach formpns = new frmPhieuNhapSach();
formpns.Show();
}