I was wondering if there is anyway to interact with any of the advanced controls, GridView, ListView, Form View... in a way where you can display a list of items and have a checkbox next to each item, but without having a Boolean property behind that checkbox in the data source?
More over how would you read it back? Meaning if there were some items with their checkbox checked and you saved a list of those, when editing the selection, how would you populate it back in the control (meaning bind all items, create the grid, whatever it is... and only "check" the items that were selected)?
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This represents the following scenario: You have a meny-to-meny relationship between say events and participants. When creating the "participant" record, you want to register them for as many events as there are available... You want to display all events, but be able to select some of them at a time.
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Thanks, Martin