In tableView:objectValueForColumn:row:, return ruby true or false should be enough to make the checkbox checked or unchecked. Be sure to check the tableColumn.identifier so that you're actually dealing with the checkbox column.

Normally you don't have to do anything in tableView:setObjectValueForColumn:row to check/uncheck the checkbox. When the user clicks the checkbox, this method is called and you could persistant the object value. Do check the tableView:setObjectValueForColumn:row too.

Here's some real snippet: http://bit.ly/m98G2P

Hope this helps.

---
James Chen
ashchan.com | @ashchan


On Sat, Apr 30, 2011 at 2:30 AM, Pavlos Vinieratos <pvinis@gmail.com> wrote:


Hello. I am writing a little app, and I have a table view with a checkbox cell and a text cell in each row.

I implemented the data source, and in tableView:objectValueForColumn:row:, in the checkbox row I just return NSOnState or NSOffState, but when I run the app, the checkboxes don't get checked where they should.
Also, when one is checked, how can I uncheck it through tableView:setObjectValueForColumn:row?

thank you 


--
Pavlos Vinieratos



--
Pavlos Vinieratos

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