private void setBrandDic() { //用brand查询 BrandDao dao = new BrandDao(); List <t_brand> list = dao.getAllData(false); foreach (t_brand po in list) { if (String.IsNullOrWhiteSpace(po.brand)) { continue; } if (brandDic.ContainsKey(po.brand)) { brandDic[po.brand] = po; } else { brandDic.Add(po.brand, po); } } }