>I have a grid with checkboxes. If a user clicks on a checkbox, it clears all others. But I want the user to be able to shift-click and select the current one *and* keep the other checkboxes .t.
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>Do I try to trap the shift key in the click event of the checkbox, or is there another (cleaner) way?

Normally, when you click on checkbox it should not clear all other ones (in other rows). Did you bound the column properly?