private void BtnDeleteProduct(object sender, RoutedEventArgs e)
{
Product p = new Product();
p.ProductID = long.Parse(txtProdId.Text);
string msg = da.DeleteProduct(p);
MessageBox.Show("" + msg);
if (msg.Equals("Product Discontinued"))
{
MainWindow mw = Application.Current.Windows.OfType <MainWindow>().FirstOrDefault();
if (mw != null)
{
mw.MainFrame.Content = new ManageProducts();
}
}
}