// insert
public static int ThemHD(DTO_HOPDONGQUANGCAO hd)
{
int isInsert = DAO_HOPDONGQUANGCAO.ThemHD(hd);
return(isInsert);
}
// read
public static List <DTO_HOPDONGQUANGCAO> LayDSHopDong()
{
List <DTO_HOPDONGQUANGCAO> dsHopDong = DAO_HOPDONGQUANGCAO.LayDSHopDong();
return(dsHopDong);
}