Can't set a label in a view - objective-c

Question

I have the following situation. I have a view controller (ContentController) with 3 buttons at the top. Below I added a second view (contentView), this view should display content that are behind those 3 buttons. So every time I press a button, the contentView changes. So what I did was created three addition controllers.
FirstController.m, FirstController.h, FirstController.xib
SecondController.m, SecondController.h, SecondController.xib,
ThirdController.m, ThirdController.h, ThirdController.xib,
in my ContentController.m I added 3 IBActions that handles the change.
#interface ViewController ()
#property (nonatomic,strong) UIViewController *nextController;
#end
#implementation ViewController
#synthesize nextController = _nextController;
-(IBAction)chooseFirstController:(id)sender {
_nextController = [[FirstController alloc] initWithNibName:#"FirstController" bundle:nil];
[self.contentView addSubview:_nextController.view];
}
-(IBAction)chooseSecondController:(id)sender{
_nextController = [[SecondController alloc] initWithNibName:#"SecondController" bundle:nil];
[self.contentView addSubview:_nextController.view];
}
-(IBAction)chooseThirdController:(id)sender{
_nextController = [[ThirdViewController alloc] initWithNibName:#"ThirdViewController" bundle:nil];
[self.contentView addSubview:_nextController.view];
}
My first and ThirdController just showing tableviews inside the contentView of contentController. But in my secondController I used a gridView for displaying items. Now when I press a cell, it should go to a detailViewController, whichs shows more information about that cell. So in my cellForRowAtIndex I did the following.
- (void)gridView:(NRGridView *)gridView didSelectCellAtIndexPath:(NSIndexPath *)indexPath
{
NSLog(#"cell clicked");
PlayerDetailController *playerController = [[PlayerDetailController alloc]initWithNibName:#"PlayerDetailController" bundle:nil];
[playerController setLblTest:#"hooray this works"];
[self.view addSubview:playerController.view];
}
It correctly executes setLblTest and also showing the detailViewcontroller inside my ContentView. But it don't changes the label. to my #"hooray" this works. But although as you can see in my log it passes it correctly.
#synthesize testLabel = _testLabel;
#synthesize lblTest = _lblTest;
-(void)setLblTest:(NSString *)lblTest{
if(![_lblTest isEqual:lblTest]){
_lblTest = lblTest;
}
NSLog(#"log komt %#",lblTest);
[_testLabel setText:lblTest];
}
LOG
RacingGenk[567:c07] log komt hooray this works
Hope this clarifies more my problem
Thank you

Answer 1

To get the label to update, you'll need to change your code to look like this.
self.testLabel.text = lblTest;