public void loadSupplier() { // lấy khu vực List <KhuVuc> listKhuVuc = new List <KhuVuc>(); listKhuVuc = khuVucBus.getKhuVuc(); for (int i = 0; i < listKhuVuc.Count; i++) { List <SupplierDTO> listSupplier = new List <SupplierDTO>(); listSupplier = supplierBUS.getSupplierFromNCC(listKhuVuc[i].MaKV); TreeListNode prarentNode = treeSupplier.AppendNode(null, null); prarentNode.SetValue("MaNCC", listKhuVuc[i].TenKV); for (int j = 0; j < listSupplier.Count; j++) { TreeListNode childnode1 = null; childnode1 = treeSupplier.AppendNode(null, prarentNode); childnode1.SetValue("MaNCC", listSupplier[j].MaNCC); childnode1.SetValue("TenNCC", listSupplier[j].TenNCC); childnode1.SetValue("NguoiLH", listSupplier[j].NguoiLienHe); childnode1.SetValue("DiaChi", listSupplier[j].DiaChi); childnode1.SetValue("DienThoai", listSupplier[j].DienThoai); childnode1.SetValue("DiDong", listSupplier[j].DiDong); childnode1.SetValue("Fax", listSupplier[j].Fax); childnode1.SetValue("ChucVu", listSupplier[j].ChucVu); childnode1.SetValue("Active", listSupplier[j].Active); } } }