UIScrollView Scrollimage through button

<UIScrollViewDelegate> NSMutableArray *arr1;

IBOutlet UIScrollView *scrlvw;

UIImageView *imgv; scrvw.delegate=self;

arr1=[[NSMutableArray alloc]initWithObjects:@”GRE_Interior13″,@”beach”,@”mountain”,@”prakruti “,@”sea”, nil];

[scrlvw setContentSize:CGSizeMake(320*[arr1 count], 548)]; for (int i=0; i<[arr1 count]; i++) {

imgv=[[UIImageView alloc]init];

imgv.frame=CGRectMake(320*i, 0, 320, 548);

NSString *str1=[arr1 objectAtIndex:i];

imgv.image=[UIImage imageNamed:[NSString stringWithFormat:@”%@.jpg”,str1]];

[scrlvw addSubview:imgv]; }

btnnxt

[scrlvw scrollRectToVisible:CGRectMake(scrlvw.contentOffset.x+50, scrlvw.contentOffset.y, scrlvw.frame.size.width, scrlvw.frame.size.height) animated:YES];

Btnpre

[scrlvw scrollRectToVisible:CGRectMake(scrlvw.contentOffset.x-50, scrlvw.contentOffset.y, scrlvw.frame.size.width, scrlvw.frame.size.height) animated:YES];