private void btn_HoaDon_Click(object sender, EventArgs e) { FrmHoaDonBanSach hoadon = new FrmHoaDonBanSach(); this.Visible = false; hoadon.ShowDialog(); this.Visible = true; }
//Nghiệp vụ private void lậpHóaĐơnToolStripMenuItem_Click(object sender, EventArgs e) { FrmHoaDonBanSach hoadon = new FrmHoaDonBanSach(); this.Visible = false; hoadon.ShowDialog(); this.Visible = true; }
private void toolStripBtnHoaDon_Click(object sender, EventArgs e) { FrmHoaDonBanSach hd = new FrmHoaDonBanSach(); this.Visible = false; hd.ShowDialog(); this.Visible = true; }