Detecting which button is clicked in UITableview and changing button image - iphone

Question

I'm using three tables in my view and seprating them each other using a tag. In my second table view i made a cutom uitableview and adding labels and buttons inside them .
this is the button which i wrote inside the cellforrowatindexpath
followingButton = [UIButton buttonWithType:UIButtonTypeCustom];
[followingButton addTarget:self action:#selector(followingButtonpressed:)forControlEvents:UIControlEventTouchUpInside];
[followingButton setImage:[UIImage imageNamed:#"following12.png"] forState:UIControlStateNormal];
following.tag=indexpath.row;
[followingButton setTitleColor:[UIColor whiteColor] forState:UIControlStateNormal];
followingButton.frame = CGRectMake(220.0 ,20.0, 100, 40.0);
[cell.contentView addSubview:followingButton];
======
-(void)followingButtonpressed:(id)sender
{
UIView *contentView1 = (UIView *)[sender superview];
UITableViewCell *cell1= (UITableViewCell *)[contentView1 superview];
NSIndexPath *indexPath1 = [followingTable indexPathForCell:cell1];
[sender tag];
NSLog(#"sender tag --%d",[sender tag]);
// UIButton *button = (UIButton *)sender;
// UITableViewCell *cell = (UITableViewCell*)[button superview];
UIButton *tempButtom = (UIButton *)[cell1 viewWithTag:[sender tag]];
[tempButtom setImage:[UIImage imageNamed:#"following_off12.png"]
forState:UIControlStateNormal];
}
But its crashing and i was not able to change the image of selected button , please help

Answer 1

Use this to detect which button has been pressed
UIView *senderButton = (UIView*) sender;
NSIndexPath *indexPath = [(UITableView *)self.superview indexPathForCell: (UITableViewCell*)[[senderButton superview]superview]];

Answer 2

Give Tag to each UIButton and write following code for detect which button is pressed
- (void)buttonPressedAction:(id)sender
{
UIButton *button = (UIButton *)sender;
// Get the UITableViewCell which is the superview of the UITableViewCellContentView which is the superview of the UIButton
(UITableViewCell*)cell = [[button superview] superview];
int row = [myTable indexPathForCell:cell].row;
// Here **row** give you tad of specific UIButton that you tapped
if (row == yourTag )
{
// write code for action
}
}
Or you can set tag for cell each time, but not UIButton. Your action will look then:
- (void)buttonPressedAction:(id)sender
{
UIButton *button = (UIButton *)sender;
int row = [button superview].tag;
// Here **row** give you tad of specific UIButton that you tapped
if (row == yourTag )
{
// write code for action
}
}