public void LoadGrid()
 {
     data = new dtNhomKhachHang();
     gridNhomKhachHang.DataSource = data.LayDanhNhomKhachHang(Session["IDKho"].ToString());
     gridNhomKhachHang.DataBind();
 }
 public void LoadGrid()
 {
     data = new dtNhomKhachHang();
     gridNhomKhachHang.DataSource = data.LayDanhNhomKhachHang();
     gridNhomKhachHang.DataBind();
 }