protected void btnDefaultRoutingPart_Click(object sneder, EventArgs e)
    {
        ClassF classF = new ClassF(GetDirectory() + userDir);

        try
        {
            classF.addfromto_part(int.Parse(dropListProducts.SelectedValue));
            tableSync.SyncTablesOnDefaultRouting(int.Parse(dropListProducts.SelectedValue));
        }
        catch (Exception) { }
        classF.Close();
        SetData();
    }