private void DeleteModuleCommandExecuted(object sender, ExecutedRoutedEventArgs e)
{
var moduleId = (int) e.Parameter;
var md = new ModuleDetail(moduleId, PageMode.DeleteMode);
md.Show();
e.Handled = true;
}
private void Button2Click(object sender, RoutedEventArgs e)
{
var md = new ModuleDetail(PageMode.AddMode);
md.Show();
}