Hi,
Using Rules, Set the field values to be null
Add Rules -> Actions for all the fields inthe repeating table to be null
This way the values in the repeating table will be cleared whenever the
check box is selected/deselected

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Kalyan Reddy
Visit http://www.autonomysystems.com
> I have an infopath form with three repeating tables & three check
> boxes. Each rptTable displays when the matching checkbox is click'd.
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>
> Thanks in advance.