A RadGrid is great at showing rows of data, but sometimes a row needs room to breathe. That’s where the DetailTemplate comes in. Instead of forcing every field into the main grid layout, you can expand a row and reveal a richer, more flexible block of content—anything from a simple list of child records to a fully custom layout with buttons, forms, or nested controls. In this article, we’ll walk through the practical steps for wiring up a detail template in Telerik ASP.NET AJAX RadGrid, how to bind it cleanly, and the patterns that keep it fast, predictable, and easy to maintain.
