ModalPopupExtender in a GridView sample

Although the ModalPopulExtender isn’t new at all there are still countless poeple who search the web for a comprehensive sample on how a ModalPopupExtender is used in a GridView. It can be pretty tricky to handle so I decided to come up with a good example of most things that you need tot know about it. Hence this blog post is a sample on how you can use the ModalPopupExtender in a GridView coupled with an UpdatePanel. Working with the ModalPopup from a GridView can be a pain, but with a good reference nice results can be yielded.