当我没有添加任何额外的行时，下面的代码工作正常，所有内容视图都被控制（隐藏/可见）但添加到虚拟行时出现问题。
我正在以编程方式创建一个表视图。我正在使用一些内容视图（标签和按钮）初始化我的单元格。我正在添加两个虚拟行：if indexPath.row＆gt; [mYarray计数]。我试图在额外添加的行中隐藏我的按钮。当我滚动按钮有时隐藏在单元格或某些时间显示在单元格中。条件类似于：if（indexPath.row＆lt ; [mYarray计数]）然后按钮MAY（见下面的代码，决定隐藏/可见的情况if（ShowNQButton））是隐藏/可见。但是if（indexPath.row＆gt; [mYarray count ]）然后按钮必须隐藏/隐藏/删除。
UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:Identifier];
if (cell == nil)
{
cell = [[[UITableViewCell alloc] initWithFrame:CGRectZero reuseIdentifier:Identifier] autorelease];
cell.selectionStyle=UITableViewCellSelectionStyleNone;
waitTimeLabel=[[[UILabel alloc] initWithFrame:CGRectMake(210, 0, 50, 30)]autorelease];
waitTimeLabel.backgroundColor=[UIColor clearColor];
waitTimeLabel.tag=lblTAG5;
waitTimeLabel.numberOfLines=2;
waitTimeLabel.font=[UIFont systemFontOfSize:13];
[cell.contentView addSubview:waitTimeLabel];
EstSeatLabel=[[[UILabel alloc] initWithFrame:CGRectMake(270, 0, 60, 30)]autorelease];
EstSeatLabel.backgroundColor=[UIColor clearColor];
EstSeatLabel.tag=lblTAG6;
EstSeatLabel.font=[UIFont systemFontOfSize:12];
[cell.contentView addSubview:EstSeatLabel];
}
else
{
waitTimeLabel=(UILabel *)[cell viewWithTag:lblTAG5];
EstSeatLabel=(UILabel *)[cell viewWithTag:lblTAG6];
}
if (indexPath.row < [UIAppDelegate.waitlistDetailArray count]) {
NQbutton = [[UIButton alloc]init];
NQbutton.frame=CGRectMake(220, 4, 42, 24);
NQbutton.adjustsImageWhenHighlighted=NO;
NQbutton.contentVerticalAlignment = UIControlContentVerticalAlignmentCenter;
NQbutton.contentHorizontalAlignment = UIControlContentHorizontalAlignmentCenter;
UIImage *NQbuttonimage = [UIImage imageNamed:@"NqN"];
[NQbutton setBackgroundImage:NQbuttonimage forState:UIControlStateNormal];
[NQbutton addTarget:self action:@selector(NQbutton:event:) forControlEvents:UIControlEventTouchUpInside];
NQbutton.backgroundColor = [UIColor clearColor];
[cell.contentView addSubview:NQbutton];
[NQbutton release];
NQbuttonEstTime= [[UIButton alloc]init];
NQbuttonEstTime.frame=CGRectMake(275, 4, 42, 24);
NQbuttonEstTime.adjustsImageWhenHighlighted=NO;
NQbuttonEstTime.contentVerticalAlignment = UIControlContentVerticalAlignmentCenter;
NQbuttonEstTime.contentHorizontalAlignment = UIControlContentHorizontalAlignmentCenter;
UIImage *NQbuttonesttimeimage = [UIImage imageNamed:@"NqN"];
[NQbuttonEstTime setBackgroundImage:NQbuttonesttimeimage forState:UIControlStateNormal];
[NQbuttonEstTime addTarget:self action:@selector(NQbutton:event:) forControlEvents:UIControlEventTouchUpInside];
NQbuttonEstTime.backgroundColor = [UIColor clearColor];
[cell.contentView addSubview:NQbuttonEstTime];
[NQbuttonEstTime release];
if(ShowNQButton)//**this BOOL variable is outside of cellForRow decides if buttons //should be visible or not when indexPath.row < myArray' count.**
{
NQbutton.hidden=NO;
NQbuttonEstTime.hidden=NO;
}
else {
NQbutton.hidden=YES;
NQbuttonEstTime.hidden=YES;
}
}
else
{//i have added three dummy rows in numberOfRowsInSection(when indexpath.row > [myArray Count])
waitTimeLabel.text=@" ";
EstSeatLabel.text=@" ";
//below i am stuffing in removing/hiding these two contentViews from dummy cells
NQbutton.hidden=YES;//tried setImage=nil fornormalState//tried removeFromSupViw
NQbuttonEstTime.hidden=YES;//tried setImage=nil fornormalState//tried removeFromSupViw
}
}
return cell;
}
有什么建议吗？ 感谢