//Some business data object
public class Product : INotifyPropertyChanged
{
    //Some fields
    private double price;
    private DateTime maturity;

    public double Price
    {
        get { return price; }
        set 
        {
            price = value;
            if(PropertyChanged != null)
            {
                PropertyChanged(this, new PropertyChangedEventArgs("Price"));
            }
        }
    }

    public DateTime Maturity
    {
        get { return maturity; }
    }

    public event PropertyChangedEventHandler PropertyChanged;
}


public void PopulateGrid(Grid grid)
{
    Product product1 = new Product();
    Product product2 = new Product();
    Product product3 = new Product();

    //Add data objects on the top hierarchical level. 
    Row row1 = grid.Rows.Add(product1);
    Row row2 = grid.Rows.Add(product2);

    //Add a data objects as a child of row2. 
    Row row3 = row2.Add(product3);

    //Add a collection of values to the grid. 
    //Because of this collection implements IList, it will be implicitly wrapped by the ListDataAccessor
    grid.Rows.Add(new double[] { 123, 12, 45 });

    //Add a collection of objects
    grid.Rows.Add(new object[] { 12.36, 12, "some string" });

    //Add a collection of strings
    grid.Rows.Add(new string[] { "string 1", "string 2", "string 3" });

    //Add a dictionary of values to the grid. 
    Hashtable hashTable = new Hashtable();
    hashTable.Add("Price", 10.23);
    hashTable.Add("Quantity", 645);
    grid.Rows.Add(hashTable);
}