I've got a Data Form Web Part in SharePoint 2010 Designer that I'd like to customize so users can filter it on one of the columns. In other words, they'd be able to drop the web part in, then choose "Edit Web Part" from the down arrow, and then in the properties dialog, go to the Miscellaneous tab. There, you'd have a field labeled "Filter:" and the user would enter a text to filter the list used in the web part.
Is this possible? Any example? Thanks.