private void FillChildNode(string mavt, TreeNode topnode)
{
DataTable dt = nguoiDungBUS.LayDuLieuNguoiDung(string.Format("select ID, TenDangNhap, MaVaiTro from NGUOIDUNG where MaVaiTro = '{0}'", mavt));
foreach (DataRow row in dt.Rows)
{
NguoiDung nd = new NguoiDung();
nd.ID = int.Parse(row["ID"].ToString());
nd.TenDangNhap = row["TenDangNhap"].ToString();
nd.MaVaiTro = row["MaVaiTro"].ToString();
TreeNode tn = new TreeNode(nd.TenDangNhap);
tn.Tag = nd;
topnode.Nodes.Add(tn);
}
}
