private void Button_Click(object sender, RoutedEventArgs e)
 {
     MediaEdit.AddCustomerWindow acw = new AddCustomerWindow();
     acw.vm_CustomerEditWindow.IsEdit = false;
     acw.ShowDialog();
     DataBinding();
 }
 private void editmenu_Click(object sender, RoutedEventArgs e)
 {
     MediaEdit.AddCustomerWindow acw = new AddCustomerWindow();
     acw.vm_CustomerEditWindow.CustomerModel = CustomerLbox.Items[CustomerLbox.SelectedIndex] as AMS.Model.AMS_AdCustomer;
     acw.vm_CustomerEditWindow.IsEdit        = true;
     acw.ShowDialog();
     DataBinding();
 }