Column template.

FoodColumnTemplate.cs

class FoodColumnTemplate : ITemplate
{
  private readonly Food _food;

  public FoodColumnTemplate(Food food)
  {
    _food = food;
  }

  public void InstantiateIn(Control container)
  {
    var label = new Label();
    label.DataBinding += OnDataBinding;
    container.Controls.Add(label);
  }

  private void OnDataBinding(object sender, EventArgs e)
  {
    var label = (Label) sender;
    var row = (DataGridItem) label.NamingContainer;
    var canine = (ICanine) row.DataItem;
    label.Text = canine.Eats(_food) ? "Yes" : "No";
  }
}