In order to complete this walkthrough, you will need the following:

• dsNorthwind.xsd.
• Visual Studio 2008 Application.

To create updatable hierarchical WebGrid using DataSet

1. Binding WebGrid to Hierarchical ISDataSource control.
2. Implement function BatchUpdate server side event. Here is the snippet:

   C#

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   void WebGrid1_BatchUpdate(object sender, BatchUpdateEventArgs e) { CustomersTableAdapter daCustomer = new CustomersTableAdapter(); OrdersTableAdapter daOrders = new OrdersTableAdapter(); Order_DetailsTableAdapter daOrderDetails = new Order_DetailsTableAdapter(); dsNorthwind ds = (dsNorthwind)WebGrid1.GetCachedDataSource(); // updates all changes per table adapter from the root table to each child table in ordered sequence daCustomer.Update(ds); daOrders.Update(ds); daOrderDetails.Update(ds); }