dequeueReusableCellWithIdentifier change multiple UIPickerviews Value

Question

I am creating a custom cell which have pickerView, when I run the app it loads all cells with picker view. At a time 4 cells are visible, When i change the value of first picker view and scroll down. Value of every 4th picker has been changed. I get the values of all picker views, it returns correct value, means it only changes the value of first picker view.

-(UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {

     AddTaskTableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:@"addTaskCell" forIndexPath:indexPath];

    AddTaskDetails *task =[self.tasksArray objectAtIndex:indexPath.row];
    NSAttributedString *attributedString = [self attributedTextForTask:task.taskDetail];
    cell.taskDetails.attributedText = attributedString;
    cell.hourePicker.tag = indexPath.row;
    [cell.hourePicker selectRow:0 inComponent:0 animated:YES];
    cell.addDescriptionBtn.tag = indexPath.row;

    [cell.addDescriptionBtn addTarget:self action:@selector(didTapAddDescButton:) forControlEvents:UIControlEventTouchUpInside];

    return  cell; }

Answer 1

After wasting 6 hours, I have solved the problem and here is the updated code:

-(UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{

     AddTaskTableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:@"addTaskCell" forIndexPath:indexPath];

    AddTaskDetails *task =[self.tasksArray objectAtIndex:indexPath.row];
    NSAttributedString *attributedString = [self attributedTextForTask:task.taskDetail];
    cell.taskDetails.attributedText = attributedString;
    cell.hourePicker.tag = indexPath.row;

    cell.addDescriptionBtn.tag = indexPath.row;

    [cell.addDescriptionBtn addTarget:self action:@selector(didTapAddDescButton:) forControlEvents:UIControlEventTouchUpInside];
    AddTaskDetails *task_1 =[self.tasksArray objectAtIndex:indexPath.row];
    if(task_1.hours>0)
    {
       [cell.hourePicker selectRow:task_1.hours inComponent:0 animated:NO];
    }
    else
    {
         [cell.hourePicker selectRow:0 inComponent:0 animated:NO];
    }

    return  cell;
}