//Load txt theo dữ liệu chọn private void AddItems_Load(object sender, EventArgs e) { BUSGiaoVien ten = new BUSGiaoVien(); txtTenCDCNSV.Text = ten.TenCDtxt(IDChuyenDe); txtTenCD.Text = ten.TenCDtxt(IDChuyenDe); txtSLSVCNLop.Text = ten.SoLuongLop(IDChuyenDe, IDNguoiDung).ToString(); txtNhomCapNhat.Text = ten.SoLuongNhom(IDChuyenDe).ToString(); txtSinhVienCN.Text = ten.SoLuongSinhVien(IDChuyenDe).ToString(); }