One datagrid, numerous (xml) datasources

i have a prospective application with the following setup:
one datagrid, with numerous buttons elsewhere in the
application
desired procedure:
upon clicking one of the buttons -
the datagrid is unloaded of any datasource previously loaded
(is this necessary?);
the datagrid is populated with a specific, different xml
datasource (xml file) assigned to a specific button(while showing
busyCursor, and upon completion of data load, normal cursor is
returned).
any help would be appreciated.

This article sounds like what you are doing:
http://www.adobe.com/cfusion/communityengine/index.cfm?event=showdetails&postId=4041&produ ctId=2&loc=en_US

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