private void btnSearch_Click( object sender, EventArgs e )
        {
            Customer customer = Customer.GetCustomer(txtSearchBox.Text);

            ddlCountries.SelectedValue = customer.Country;
            customersByCountryBS.DataSource = Customer.GetCustomers(customer.Country);
            int index = 1;
            foreach (Customer c in Customer.GetCustomers(customer.Country)) {
                if (c.CustomerID != customer.CustomerID) {
                    index++;
                }
            }
            customersByCountryBS.Position = index;
            
        }