passing a string value to another controller

Question

I am passing a string to another controller

- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {

CategoriesList *dvController = [[CategoriesList alloc] initWithNibName:@"CategoriesList" bundle:nil];

NSString *category=aBook.name;
dvController.category=category;
[self.navigationController pushViewController:dvController animated:YES];
[dvController release];

}

When I get value in dvController it does not show I am setting that to button title

 NSString *title=category;
 [titleButton setTitle:title forState:UIControlStateNormal];

Check if you are passing any value? Then check if you have properly declared category (like property and synthesizing), then again use self.category, while using category in it's same class(where it is declared). if problem persist still, response. — rptwsthi
– rptwsthi, Commented Aug 8, 2011 at 10:50

Justin · Accepted Answer · 2011-08-08 10:57:46Z

2

Easiest way is to create a custom init in CategoriesList:

CategoriesList.h

@interface DetailViewController : UIViewController
{
    NSString *category;
}

@property (nonatomic, retain) NSString *category;

- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil category:(NSString *)categoryName;

CategoriesList.m

@synthesize category;

...

- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil category:(NSString *)categoryName;
{
    self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
    if (self) 
    {
        self.category = categoryName;
    }
    return self;
}

...

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

answered Aug 8, 2011 at 10:57

Justin

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