private void btnThemBanAn_Click(object sender, EventArgs e)
        {
            Form_ThemBanAn openf = new Form_ThemBanAn();

            openf.Mode = mode;
            if (openf.ShowDialog() == DialogResult.OK)
            {
                BanAn_BUS.ThemBanAn(openf.BanAn, maNH);
                gridBanAn.DataSource = BanAn_BUS.DocBanAn(maNH);
            }
        }
 private void btnThemBanAn_Click(object sender, EventArgs e)
 {
     Form_ThemBanAn openf = new Form_ThemBanAn();
     openf.Mode = mode;
     if (openf.ShowDialog() == DialogResult.OK)
     {
         BanAn_BUS.ThemBanAn(openf.BanAn,maNH);
         gridBanAn.DataSource = BanAn_BUS.DocBanAn(maNH);
     }
 }