repeater嵌套repeater

 protected void Repeater1_ItemDataBound(object sender, RepeaterItemEventArgs e)    {        if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)        {            Repeater rpWindows = e.Item.FindControl("Repeater2") as Repeater;            HiddenField hfMenuID = e.Item.FindControl("hfMenuID") as HiddenField;                      string strMenuID = hfMenuID.Value.ToString().Trim();
            rpWindows.DataSource = new shoppingData().SelectAllInproduct(strMenuID);            rpWindows.DataBind();
        }}