private void Button_Click(object sender, RoutedEventArgs e)
{
this.Close();
CustomerRegistration customerregistrationpage = new CustomerRegistration();
customerregistrationpage.Show();
}
private void signupbtn_Click(object sender, RoutedEventArgs e)
{
this.Close();
CustomerRegistration cstregisterpage = new CustomerRegistration();
cstregisterpage.Show();
}