public void Phong_Load(int _PhongID)
        {
            LoaiPhongClient = new LoaiPhongSVCClient();
            LoaiPhongClient.LoaiPhong_GetItemsCompleted += new EventHandler<LoaiPhong_GetItemsCompletedEventArgs>(LoaiPhongClient_LoaiPhong_GetItemsCompleted);
            LoaiPhongClient.LoaiPhong_GetItemsAsync();

            TienNghiClient = new TienNghiSVCClient();
            TienNghiClient.TienNghi_GetItemsCompleted += new EventHandler<TienNghi_GetItemsCompletedEventArgs>(TienNghiClient_TienNghi_GetItemsCompleted);
            TienNghiClient.TienNghi_GetItemsAsync();

            if (_PhongID != 0)
            {
                PhongID = _PhongID;
                PhongClient = new PhongSVCClient();
                PhongClient.Phong_GetItemCompleted += new EventHandler<Phong_GetItemCompletedEventArgs>(PhongClient_Phong_GetItemCompleted);
                PhongClient.Phong_GetItemAsync(PhongID);
            }
        }