Table view content missing during scrolling - ios

Question

I am using table view cell and adding a pop up view on clicking a button placed in cell .But when I am scrolling the table view view pop is disappearing from my cell. Here is my code:
- (UITableViewCell *)tableView:(UITableView *)tableView cellF
orRowAtIndexPath:(NSIndexPath *)indexPath
{
NSString *CellIdentifier =[NSString stringWithFormat:#"ArticleCell%d %d",indexPath.section,indexPath.row];
__block ArticleCell_iPad *cell = (ArticleCell_iPad *)[tableView dequeueReusableCellWithIdentifier:CellIdentifier];
if (cell == nil)
{
cell = [[ArticleCell_iPad alloc] initWithStyle:UITableViewCellStyleValue1 reuseIdentifier:CellIdentifier];
[[NSBundle mainBundle] loadNibNamed:#"SynopsysViewSharing" owner:self options:nil];
cell = [[[ArticleCell_iPad alloc] initWithFrame:CGRectMake(0, 0, kCellWidth_iPad, kCellHeight_iPad)] autorelease];
__block NSDictionary *currentArticle = [self.articles objectAtIndex:indexPath.section];
[cell.iconImage loadImageWithURL:[[currentArticle objectForKey:#"sourceLogoImg"]objectForKey:#"text"]];
[cell.sideButton setBackgroundImage:[UIImage imageNamed:[cellButtonImageArr objectAtIndex:self.selectIndex]]
[cell.sideButton addTarget:self action:#selector(sideButtonClicked:) forControlEvents:UIControlEventTouchUpInside];
cell.sideButton.tag = indexPath.section;
TableViewCellSelectionStyleNone;
}
return cell;
}
Button Action:
-(IBAction)sideButtonClicked:(UIButton*)sender
{
buttonShare=[[[NSBundle mainBundle] loadNibNamed:#"SynopsysViewSharing" owner:self options:nil] lastObject];
NSIndexPath *myIP = [NSIndexPath indexPathForRow:0 inSection:sender.tag];
ArticleCell_iPad *cellSelected = (ArticleCell_iPad*)[_horizontalTableView cellForRowAtIndexPath:myIP];
[cellSelected.contentView addSubview:buttonShare];
buttonShare.alpha = 0.0f;
buttonShare.tag=500;
[buttonShare setFrame:CGRectMake(0,600, cellSelected.frame.size.height,55)];
[UIView animateWithDuration:0.5 animations:^{
[buttonShare setFrame:CGRectMake(0,cellSelected.frame.size.width-55, cellSelected.frame.size.height,55)];
buttonShare.alpha = 1.0f;
} completion:^(BOOL finished) {
}];
}

Answer 1

Instead adding the buttonshare to the contentview through coding, pls try adding your 'buttonshare' in storyboard for the prototype cell itself and make it hidden by checking the hidden property.
And tap on for your button in the UITableviewCell make the hidden property of buttonshare to "NO" in sideButtonClicked:
Hope it helps :)

Answer 2

There are two main things wrong in your implementation:
in your cellForRowAtIndexPath, you need to initialise the cell for the given indexPath, even if it is a reused cell (if cell != nil).
in your sideButtonClicked, do not call cellForRowAtIndexPath in order to find the cell. It will create a completely new cell, instead of returning the one that is on screen. Derive which row it is from the UIButton argument of the method instead.
Have a look at Apple's programming guide.