private void btnHoaDon_Click(object sender, EventArgs e) { FrmHoaDonCTHD f = new FrmHoaDonCTHD(); f.ShowDialog(); this.Hide(); }
private void InHDToolStripMenuItem_Click(object sender, EventArgs e) { FrmHoaDonCTHD f = new FrmHoaDonCTHD(); f.Show(); this.Hide(); }