[editFeature.attributes setValue:nil forKey:@"SOURCE_DATE"]; ... [editFeature.attributes setValue:NULL forKey:@"SOURCE_DATE"]; ... [editFeature.attributes setValue:@"" forKey:@"SOURCE_DATE"];
Solved! Go to Solution.
[editFeature.attributes setValue:[NSNull null] forKey:@"SOURCE_DATE"];
[editFeature.attributes setValue:[NSNull null] forKey:@"SOURCE_DATE"];