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Simple question
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Simple question


  • Subject: Simple question
  • From: Arnold Nefkens <email@hidden>
  • Date: Thu, 22 Apr 2010 17:36:04 +0200

Hello list,

Im quite new, and probably missing something.

I want to do a calculation of three fields inside of a entity in CoreData.

Below is the code, what is wrong?

NSNumber *fieldOne = [managedObject valueForKey:@"key1"];
NSNumber *fieldTwo = [managedObject valueForKey:@"key2"];
NSNumber *fieldThree = [managedObject valueForKey:@"key3"];
if (fieldTwo > 0) {
	NSNumber *answer = ((fieldTwo - fieldOne) + fieldThree);
	[self.managedObject setValue:[answer intValue] forKey:@"key4"];
}

If I debug the right values are being shown in the fieldOne, fieldTwo and fieldThree. But the calculation answer is all the time out of scope.....

What am I missing?

hope someone can help...

Arnold Nefkens_______________________________________________

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