Reinvent the wheel

ASP .net ajax extenders carry the promise of a plug-and-play. You plug your usb drive, there you get an extra drive. Take the example of cascadingdropdown extenders, it works for straightforward, immediate parent-child depency scenarios, however, it does not work in scenarios where a child's values need to be drived not only from parent, but also grandparent. Thus, we need to reinvent the wheel and rewrite the cascading controls