[treeTableView setAutoresizingMask:UIViewAutoresizingFlexibleWidth|UIViewAutoresizingFlexibleHeight];
[treeTableView setBackgroundColor:[UIColor blueColor] /*#fff9f4*/];
[treeTableView setSeparatorStyle:UITableViewCellSeparatorStyleSingleLine];
[treeTableView setRowHeight:45.0f];
treeTableView.backgroundView = [[UIView alloc] init];
treeTableView.backgroundColor = [UIColor clearColor];
[self.view addSubview:treeTableView];