Bind data to UltraGird on each row expand

please tell me how to get and bind data to UltraGrid dynamically on each BeforeRowExpanded event. i have large amount of data开发者_StackOverflow which i have to show on each row expanded event. please tell me any useful article/link.

this data is in hierarchical form.

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According to Mike Saltzman, you will run into difficulty dynamically binding child data: http://news.infragistics.com/forums/p/37514/218323.aspx.