private void quảnLýHóaĐơnToolStripMenuItem_Click(object sender, EventArgs e) { QuanLyHoaDon frm = new QuanLyHoaDon(_user, _code); frm.MdiParent = this; frm.Show(); }
private void QuanLyNhaHang_Load(object sender, EventArgs e) { QuanLyHoaDon frm = new QuanLyHoaDon(_user, _code); frm.MdiParent = this; frm.Show(); }