In my table view i have no cell only section so, how can i reload tableview in ios objective c : i try to reload method to call in tableview 

    [self.tableview reloadData];

and also try

    for (int i = 0; i<self->allMessageKey.count; i++) {
                    
                    NSIndexSet *sec = [NSIndexSet indexSetWithIndex:i];
                    [self->chatTableView beginUpdates];
                    //NSIndexPath *section = [NSIndexPath indexPathForRow:NSNotFound inSection:i];
                    [self->chatTableView insertSections:sec withRowAnimation:UITableViewRowAnimationBottom];
                    
                    if (i == self->allMessageKey.count-1) {
                        [self->chatTableView endUpdates];
                        NSIndexPath *ip = [NSIndexPath indexPathForRow:NSNotFound inSection:self->allMessageKey.count-1];
                        
                        [self->chatTableView scrollToRowAtIndexPath:ip atScrollPosition:UITableViewScrollPositionNone animated:NO];
                    }
                    
                }

no reload the data show in tableview.