gistfile1.m

@interface rjhccViewController : UIViewController{

IBOutlet UIImageView *testcontainer;
    IBOutlet UILabel *heightS;
    IBOutlet UILabel *widthS;
}

@end

@implementation rjhccViewController

-(IBAction)img1
{
    UIImage *img = [UIImage imageNamed:@"p.jpeg"];
    [testcontainer setImage:img];
    [testcontainer setFrame:CGRectMake(0,0,50,50)];
    NSString *imgheight = [NSString stringWithFormat:@"%f",img.size.height];
    heightS.text = imgheight;
}

@end