CODEWITHSUNDEEP
iosuitableview
herman
herman

Reputation: 11

Why is my UITableView rowNumber zero?

In my DetailViewController.m, the rowNumber value is functioning well. But when the value can't apply into viewDidLoad the rowNumber is zero. How can I solve this problem?

//DetailViewController.m

    -(void)updateRowNumber:(int)theindex
    {
        rowNumber = theindex + 1;
        message.text = [NSString stringWithFormat:@"row %d was clicked", rowNumber];
        NSLog(@"ID #000%d", rowNumber);
    }

    -(void)viewDidLoad
    {
        message.text = [NSString stringWithFormat:@"row %d was clicked", rowNumber];
    }

Upvotes: 1

Views: 69

Answers (1)

Tommy Devoy
Tommy Devoy

Reputation: 13549

It's not clear what you're trying to do, but its obvious that you should be using the tableview delegate methods:

It looks like you really need the method below:

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

You'd want to store the rowNumber with this:

-(void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{
   int rowNumber = indexPath.row;
}

Or, if the row is still selected and you want to grab that index somewhere else you could do:

NSIndexPath *index = [self.tableView indexPathForSelectedRow];
int rowNumber = index.row;

But check out all the methods on the dev site:

http://developer.apple.com/library/ios/#documentation/uikit/reference/UITableViewDelegate_Protocol/Reference/Reference.html

Upvotes: 4

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