public static void suadanhsachkhachhangvantai(int idtk)
{
View.MKTVTDanhsackhachhang p = new MKTVTDanhsackhachhang(4, idtk); // 4 là sua
p.ShowDialog();
// throw new NotImplementedException();
}
public static void themmoikhachhangvantai()
{
View.MKTVTDanhsackhachhang p = new MKTVTDanhsackhachhang(3, -1); // 3 là thêm ới
p.ShowDialog();
// throw new NotImplementedException();
}
