void GetListSector()
{
List <SectorDTO> sectorDTOs = SectorDAO.GetListSector();
cbbBuilding.DataSource = sectorDTOs;
cbbBuilding.DisplayMember = "SectorName";
cbbBuiding_Bill.DataSource = sectorDTOs;
cbbBuiding_Bill.DisplayMember = "SectorName";
}
private void FrmBuildings_Load(object sender, EventArgs e)
{
dgvBuildings.DataSource = SectorDAO.GetListSector();
}