Public Sub SetObjectRelations( _
   ByVal objectRelations As ArrayList, _
   ByVal objectTypesInfo As ArrayList _
) 

Dim instance As WebGrid
Dim objectRelations As ArrayList
Dim objectTypesInfo As ArrayList
 
instance.SetObjectRelations(objectRelations, objectTypesInfo)

public void SetObjectRelations( 
   ArrayList objectRelations,
   ArrayList objectTypesInfo
)

public procedure SetObjectRelations( 
    objectRelations: ArrayList;
    objectTypesInfo: ArrayList
); 

public function SetObjectRelations( 
   objectRelations : ArrayList,
   objectTypesInfo : ArrayList
);

public: void SetObjectRelations( 
   ArrayList* objectRelations,
   ArrayList* objectTypesInfo
) 

public:
void SetObjectRelations( 
   ArrayList^ objectRelations,
   ArrayList^ objectTypesInfo
) 

protected void WebGrid1_PreInitialize(object sender, System.EventArgs e)
{
    // assign OnPreInitialize event in ASPX
    // defines the Object Relations
    ArrayList objectRelations = new ArrayList();
    objectRelations.Add(new WebGridObjectRelation(
        typeof(CustomerCollection), "CustomerID", "Orders",
        typeof(OrderCollection), "CustomerID"));
    objectRelations.Add(new WebGridObjectRelation(
        typeof(OrderCollection), "OrderID", "OrderDetails",
        typeof(OrderDetailCollection), "OrderID"));
    
    // defines the Parent and Child Type information
    // objectTypes contains 3 object array: The parent collection type,
    // child item type, the primary keys of child collection
    // Primary keys can be string (if only 1 primary key defined),
    // or array of string for multiple primary keys scenario.
    ArrayList objectTypes = new ArrayList();
    objectTypes.Add(new object[] {
        typeof(CustomerCollection), typeof(Customer), "CustomerID"});
    objectTypes.Add(new object[] {
        typeof(OrderCollection), typeof(Order), "OrderID"});
    objectTypes.Add(new object[] {
        typeof(OrderDetailCollection), typeof(OrderDetail), new string[] {
        "OrderID", "ProductID"}});
    
    // assign the required definitions through SetObjectRelations method
    // the SetObjectRelations need to be called in new PreInitialize method
    // since it needs to be initialized in earliest phase.
    WebGrid1.SetObjectRelations(objectRelations, objectTypes);
}