private void CinemasDelete_Click(object sender, RoutedEventArgs e)
        {
            if (CinemasBdFrid.SelectedItem != null)
            {
                CinemasClass cinema = CinemasBdFrid.SelectedItem as CinemasClass;

                bdClassDelete.DeleteRowTable(cinema.Id, "Cinemas");
                refreshCinemasBdGrid();
            }
        }
        ///////////////////////////////////Cinemas event ////////////////////////////////////
        private void CinemasBdFrid_SelectionChanged(object sender, SelectionChangedEventArgs e)
        {
            if (CinemasBdFrid.SelectedItem != null)
            {
                CinemasClass cinema = CinemasBdFrid.SelectedItem as CinemasClass;

                CinemasName.Text    = cinema.Name;
                CinemasAddress.Text = cinema.Address;
                imageByte           = cinema.Photo;

                BitmapImage image = new BitmapImage();
                image.BeginInit();
                image.StreamSource = new MemoryStream(cinema.Photo);
                image.EndInit();

                CinemasImage.Source = image;
            }
        }
        private void CinemasSave_Click(object sender, RoutedEventArgs e)
        {
            try
            {
                CinemasClass cinema    = CinemasBdFrid.SelectedItem as CinemasClass;
                byte[]       imagecode = null;
                if (imageByte == null)
                {
                    ImageToBD(ref imagecode);
                }
                else
                {
                    imagecode = imageByte;
                }

                bdClassUpdate.UpdateCinemas(cinema.Id, CinemasName.Text, CinemasAddress.Text, imagecode);
                refreshCinemasBdGrid();
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
        }