//event handler
public void OnViewInvoice(List <Database.Product> invoiceList, EventArgs args)
{
Pages.InvoicePage myInvoicePage = new Pages.InvoicePage(invoiceList);
myInvoicePage.moreProductsEvent += this.OnMoreProducts;
ChangeContainer(myInvoicePage);
}
private void btn_New_Click(object sender, EventArgs e)
{
Pages.InvoicePage myInvoicePage = new Pages.InvoicePage();
ChangeContainer(myInvoicePage);
}
