iOS/iPhone Label(UILabel) , Text Field(UITextField) , Round Rect Button(UIButton) Example (iPhone,iPad)

IBOutlet UITextField *txtName;
    
IBOutlet UILabel *lblResponse; 

IBOutlet UIButton  *btnSubmit; 

txtName.text;
lblResponse.text;
btnSubmit.text

//or

[txtName text];
[lblResponse text];
[btnSubmit text];

IBOutlet UITextField *txtName;
    
IBOutlet UILabel *lblResponse; 

IBOutlet UIButton  *btnSubmit; 

txtName.text = @"string";
lblResponse.text = @"string";
btnSubmit.text = @"string";

//or

[txtName setText:@"string"];
[lblResponse setText:@"string"];
[btnSubmit setText:@"string"];

- (IBAction)btnSubmit:(id)sender {
    
    [lblResult setText:[txtName text]];
    
    // or
    
    //lblResult.text = txtName.text;
    
}

//
//  ViewController.h
//  labelTextButtonApp
//
//  Created by Weerachai on 11/10/55 BE.
//  Copyright (c) 2555 Weerachai. All rights reserved.
//

#import <UIKit/UIKit.h>

@interface ViewController : UIViewController
{
    IBOutlet UITextField *txtName;
    IBOutlet UILabel *lblResult;
}

- (IBAction)btnSubmit:(id)sender;

@end

//
//  ViewController.m
//  labelTextButtonApp
//
//  Created by Weerachai on 11/10/55 BE.
//  Copyright (c) 2555 Weerachai. All rights reserved.
//

#import "ViewController.h"

@interface ViewController ()

@end

@implementation ViewController

- (void)viewDidLoad
{
    [super viewDidLoad];
	// Do any additional setup after loading the view, typically from a nib.
}

- (IBAction)btnSubmit:(id)sender {
    
    [lblResult setText:[txtName text]];
    
    // or
    
    //lblResult.text = txtName.text;
    
}

- (void)didReceiveMemoryWarning
{
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}

- (void)dealloc {
    [txtName release];
    [lblResult release];
    [super dealloc];
}

@end