Master/Detail Using a Selectable Master GridView with a Details DetailView:
Step 2-Displaying the Selected Product's Details in a DetailsView

This step of the VIDEO TUTORIAL will show case on how to display the selected row’s or selected product’s additional information on the same page using a DetailsView control that is located above the GridView on the same page. The DetailsView is bound to another ObjectDataSource control and invokes the GetProductByProductID method of ProductsBLL business object. The ProductID parameter is passed to this ObjectDataSource control from the GridView control’s SelectedValue property. For detailed information and source code for this step, please refer to the original article.