Calculating the max value for a core data attribute - NSCFNumber error

Question

I need to find out the maximum value of an attribute of a core data entity.

I\'m still firmly in the Cocoa learning curve, and this is a simple test app that I\'m us

Answer 1

The issue was that this line is wrong:

[fetch setResultType:NSDictionaryResultType];  

The result type should have been NSManagedObjectResultType

Regards

Darren.