private void btChiTietHoaDon_Click(object sender, EventArgs e) { FrmChiTietHoaDon f = new FrmChiTietHoaDon(); this.Hide(); f.Show(); }
private void btThemCTHoaDon_Click(object sender, EventArgs e) { FrmChiTietHoaDon f = new FrmChiTietHoaDon(); f.Show(); }