ASP.Net Menu

foreach (DataRow drItems in dsRoles.Tables[0].Rows)

{
      MenuItem smsParentItem = new MenuItem((string)drItems["menuName"]);
      if (drItems["parentID"].ToString().Equals("0"))
      {
         SMSMenu.Items.Add(smsParentItem);
         smsParentItem.Value = drItems["menuUID"].ToString();
      }
}


for (int i = 0; i < SMSMenu.Items.Count; i++)
{
     foreach (DataRow drItems in dsRoles.Tables[0].Rows)
    {
        if (SMSMenu.Items[i].Value == drItems["parentID"].ToString())
         {
             MenuItem smsChildItem = new MenuItem((string)drItems["menuName"]);
             SMSMenu.Items[i].ChildItems.Add(smsChildItem);
             smsChildItem.NavigateUrl = drItems["menuURL"].ToString();
             smsChildItem.ImageUrl = ""
        }
    }
}
SMSMenu.Orientation = Orientation.Vertical;
SMSMenu.DataBind();