Re: KVC error when asking for a sort (Core Data / Bindings)

FROM : mmalc crawford
DATE : Sun Nov 04 00:39:36 2007

On Oct 31, 2007, at 8:39 AM, Alain Schartz wrote:

> I have an NSTableView which is bound to an NSArrayController ; this 
> controller represents "accountClass" Entities. On the 
> NSArrayController, I have a sort descriptor bound to a function 
> (called accountClassesSortDescriptors) that returns an array of 
> NSsortDescriptors (actually, there is just one sort descriptor in 
> this array right now; I initialized it with initWithKey: 
> @"accountClass" ascending: @"YES").
>
> My data is sorted correctly when the table view is displayed, 
> however as soon as I click a column header I get an error message in 
> the log : "Error setting value for key path 
> accountClassesSortDesciptors of object <blablaController> ... this 
> class is not key value coding-compliant for the key 
> accountClassesSortDescriptors".
>

When you click the table column, the sort descriptors are updated.
Since you've bound 'sortDescriptors', the array controller now 
attempts to update the value to which you've bound it...

(Ben then shows the solution...)

mmalc