private void EditMenuItem_Click(object sender, RoutedEventArgs e)
{
EditWindow editAsset = new EditWindow(this.Assets.SelectedItem as Asset);
editAsset.Owner = this;
editAsset.ShowDialog();
}
private void AddMenuItem_Click(object sender, RoutedEventArgs e)
{
EditWindow addAsset = new EditWindow();
addAsset.Owner = this;
addAsset.ShowDialog();
}