private void BindGV() { OrganBLL organBLL = new OrganBLL(); IList<Organ> ds = organBLL.GetModelList(""); foreach (Organ o in ds) { Organ oa = organBLL.GetModel(o.Superior); if (oa == null) o.SuperiorName = "无"; else o.SuperiorName = oa.OrganName; } GridView1.DataSource = ds; GridView1.DataBind(); }