CoreData

var appDel:AppDelegate=UIApplication.sharedApplication().delegate as AppDelegate
        var context:NSManagedObjectContext = appDel.managedObjectContext!
        var newUser=NSEntityDescription.insertNewObjectForEntityForName("Users", inManagedObjectContext: context) as NSManagedObject

        newUser.setValue("SS", forKey: "username")
        newUser.setValue("ss", forKey: "password")
        context.save(nil)


        var request=NSFetchRequest(entityName: "Users")
        request.returnsObjectsAsFaults=false
        var results=context.executeFetchRequest(request, error: nil)