DataGridTableStyle.MappingName-Eigenschaft

private void BindToArray()
{
    // Create an array of Machine objects (defined below).
    Machine[] Machines = new Machine[3];
    Machine tempMachine;

    tempMachine= new Machine();
    tempMachine.Model = "AAA";
    tempMachine.Id= "A100";
    tempMachine.Price= Convert.ToDecimal(3.80);
    Machines[0]=tempMachine;

    // The first Machine includes an array of Part objects.
    Part p1 = new Part();
    p1.PartId= "PartX";
    Part p2 = new Part();
    p2.PartId= "PartY";

    // Note that the Machines.Parts property returns an ArrayList.
    // Add the parts to the ArrayList using the AddRange method.
    tempMachine.Parts.AddRange (new Part[]{p1, p2});;

    tempMachine= new Machine();
    tempMachine.Model = "BBB";
    tempMachine.Id= "B100";
    tempMachine.Price= Convert.ToDecimal(1.52);
    Machines[1]=tempMachine;

    tempMachine= new Machine();
    tempMachine.Id= "CCC";
    tempMachine.Model = "B100";
    tempMachine.Price= Convert.ToDecimal(2.14);
    Machines[2]=tempMachine;

    dataGrid1.SetDataBinding(Machines, "");
    CreateTableStyle();
}

private void CreateTableStyle()
{
    // Creates two DataGridTableStyle objects, one for the Machine
    // array, and one for the Parts ArrayList.

    DataGridTableStyle MachineTable = new DataGridTableStyle();
    // Sets the MappingName to the class name plus brackets.    
    MachineTable.MappingName= "Machine[]";

    // Sets the AlternatingBackColor so you can see the difference.
    MachineTable.AlternatingBackColor= System.Drawing.Color.LightBlue;

    // Creates three column styles.
    DataGridTextBoxColumn modelColumn = new DataGridTextBoxColumn();
    modelColumn.MappingName= "Model";
    modelColumn.HeaderText= "Model";

    DataGridTextBoxColumn IdColumn = new DataGridTextBoxColumn();
    IdColumn.MappingName= "Id";
    IdColumn.HeaderText= "Id";

    DataGridTextBoxColumn priceColumn = new DataGridTextBoxColumn();
    priceColumn.MappingName= "Price";
    priceColumn.HeaderText= "Price";
    priceColumn.Format = "c";

    // Adds the column styles to the grid table style.
    MachineTable.GridColumnStyles.Add(modelColumn);
    MachineTable.GridColumnStyles.Add(IdColumn);
    MachineTable.GridColumnStyles.Add(priceColumn);

    // Add the table style to the collection, but clear the 
    // collection first.
    dataGrid1.TableStyles.Clear();
    dataGrid1.TableStyles.Add(MachineTable);

    // Create another table style, one for the related data.
    DataGridTableStyle partsTable = new DataGridTableStyle();
    // Set the MappingName to an ArrayList. Note that you need not 
    // include brackets.
    partsTable.MappingName= "ArrayList";
    DataGridTextBoxColumn partIdColumn = new DataGridTextBoxColumn();
    partIdColumn.MappingName= "PartID";
    partIdColumn.HeaderText = "Part ID";
    partsTable.GridColumnStyles.Add(partIdColumn);

    dataGrid1.TableStyles.Add(partsTable);

}
public class Machine
{
    private string model;
    private string id;
    private decimal price;

    // Use an ArrayList to create a related collection.
    private ArrayList parts = new ArrayList();

    public string Model
    {
        get{return model;}
        set{model=value;}
    }
    public string Id
    {
        get{return id;}
        set{id = value;}
    }
    public ArrayList Parts
    {
        get{return parts;}
        set{parts = value;}
    }

    public decimal Price
    {
        get{return price;}
        set{price = value;}
    }
}

public class Part
{
    private string partId;

    public string PartId
    {
        get{return partId;}
        set{partId = value;}
    }
}