public void Action_Kho(int action, int id, string sonhapkho, int soluong, string ngaynhapkho, int id_po, int id_po_chi_tiet, int id_phongban)
{
Kho kho = new Kho();
List <Kho> tb = kho.LayDanhSachKho(action, id, sonhapkho, soluong, ngaynhapkho, id_po, id_po_chi_tiet, id_phongban);
Context.Response.Write(JsonConvert.SerializeObject(tb));
}