private void bDelete_Click(object sender, RoutedEventArgs e)
        {
            try
            {
                string name  = cbEditName.Text;
                double price = double.Parse(tbEditPrice.Text);
                conn.DeleteFoodByNameAndPrice(name, price);

                ClearEditFields();

                PopulateCBEditFoodID();
            }catch (Exception ex)
            {
                MessageBox.Show(ex.ToString());
            }
        }