101 Microsoft® Visual Basic® .NET Applications

Application #48. Implement DataGrid Sorting

This application is less complex than its immediate predecessor in Application #47, although it does build upon it. The focus of the discussion will be on how to implement sorting for a DataGrid. You’ll also learn a variation on the masterdetails interface you saw in the previous topic—that is, you’ll see how to connect several DataGrid s in a three-level master-details relationship: Customers, Orders, and Order Details. Clicking an Orders Button in the Customers DataGrid causes the Orders DataGrid on its right to show only the orders for the selected customer, as shown below in Figure 5-2. As the figure also shows, clicking a Details Button in the Orders DataGrid causes the Order Details DataGrid ...