private void ProdDelete_Click(object sender, RoutedEventArgs e)
        {
            dataAccess data = new dataAccess();
            products prod = new products();

            if (ProductID.Text == "")
            {
                MessageBox.Show("Product ID field is Empty , Enter Product ID");
            }
            else
            {
                prod.BarCode = int.Parse(ProductID.Text);
                prod.ProductName = ProductName.Text;
                data.deleteProduct(prod);
                MessageBox.Show("Product " + prod.ProductName + " Removed Successfully");
            }

        }