我使用以下代码获取nstrings列表
我想按字母顺序排序
请怎么做?
self.context = appDelegate.managedObjectContext;
NSFetchRequest *fetchRequest = [[NSFetchRequest alloc] init];
NSEntityDescription *entity = [NSEntityDescription
entityForName:@"Studies" inManagedObjectContext:_context];
[fetchRequest setEntity:entity];
NSError *error;
self.StudiessList = [_context executeFetchRequest:fetchRequest error:&error];