
This two-part article series examines how to use Microsoft's ASP.NET AJAX to add a pop-up control to a GridView in order to display drill-down detail information in a responsive and clean manner. In Part 1 we looked at displaying the list of employees from the Northwind database in a GridView. This involved building an application architecture consisting of a Data Access Layer (DAL) created via Typed DataSets and a Business Logic Layer (BLL) created as custom classes. We then created an ASP.NET page that used a GridView and an ObjectDataSource to invoke the appropriate BLL method and display the results.
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