this loopScrollView how to match the widget height?

[HelloCSharpe]

if my LoopBaseItem , its widget height is always changed, this project cant work well. How to match item height Perfect? can you solve this problem?Thanks~

my LoopBaseItem Scripts
eg:
public class RankItem : LoopBaseItem {
private UILabel lbRankNo;
private UIWidget widget;
private static int _height = 30;
protected override void OnAwake()
{
this.lbRankNo = this.GetComponentInChildren();
this.widget = this.GetComponent();
}

public override void UpdateData(object updateData)
{
    _height += 2;
    widget.height = _height;
    if (updateData is RankItemData)
    {
        RankItemData data = updateData as RankItemData;
        this.lbRankNo.text = data.rank.ToString();
    }
}

}

[frideal]

If your item height always changing, but all item's height is same. you should rebuild the ScrollView.

If your each item's height is not same. you may add code to support this. This LoolScrollViewForNGUI is't support different item's height.