Objective c 重载rowsatindexpath不起任何作用_Objective C

Objective c 重载rowsatindexpath不起任何作用

objective-c

Objective c 重载rowsatindexpath不起任何作用,objective-c,Objective C,当设备旋转时，我需要更改文本的单元格。这是我的代码： - (void)didRotateFromInterfaceOrientation:(UIInterfaceOrientation)fromInterfaceOrientation { [self.lista beginUpdates]; NSIndexPath *durPath = [NSIndexPath indexPathForRow:0 inSection:0]; NSArray *paths = [NSArray arrayWit

当设备旋转时，我需要更改文本的单元格。这是我的代码：

- (void)didRotateFromInterfaceOrientation:(UIInterfaceOrientation)fromInterfaceOrientation
{

[self.lista beginUpdates];
NSIndexPath *durPath = [NSIndexPath indexPathForRow:0 inSection:0];
NSArray *paths = [NSArray arrayWithObjects:durPath, nil];

UITableViewCell *celda = [self.lista cellForRowAtIndexPath:
[NSIndexPath indexPathForRow:0 inSection:0]];
celda.textLabel.text = @"new text for the cell";

[self.lista reloadRowsAtIndexPaths:paths withRowAnimation:UITableViewRowAnimationNone];
[self.lista endUpdates];

}

什么也没发生。怎么了