private void button1_Click(object sender, EventArgs e) { FrmDanhSachHoaDonBan f = new FrmDanhSachHoaDonBan(); f.ShowDialog(); }
private void chiTiếtHóaĐơnBánHàngToolStripMenuItem_Click(object sender, EventArgs e) { FrmDanhSachHoaDonBan f = new FrmDanhSachHoaDonBan(); f.ShowDialog(); }