In general our controls' native AJAX mechanism (supported by r.a.d.grid, r.a.d.combobox, r.a.d.treeview, etc.), as well as r.a.d.callback, automatically detects crawlers and search engines and provides traditional (non AJAX) output for them. However, a small modification to the web.config has to be done. Here is a good example how to configure this in Web.Config: http://forums.asp.net/1012090/ShowPost.aspx
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