public bool deleteKH(EC_KhachHang khach) { return(DA_KhachHang.deleteKH(khach)); }
public bool updateKH(EC_KhachHang khach) { return(DA_KhachHang.updateKH(khach)); }
public DataTable searchTenKH(string key) { return(DA_KhachHang.searchTenKH(key)); }
public bool insertKH(EC_KhachHang khach) { return(DA_KhachHang.insertKH(khach)); }
public DataTable getAll() { return(DA_KhachHang.getAll()); }