//**************************************************************************************************** //会员级别 public static void setUserLevel(ComboBox cmb, Object value = null) { DataTable dt = new ModUserLevel().getSelect(); DataRow dr = dt.NewRow(); dr["id"] = 0; dr["userLevel"] = "--请选择会员级别--"; dt.Rows.InsertAt(dr, 0); cmb.DataSource = dt; cmb.ValueMember = "id"; cmb.DisplayMember = "userLevel"; if (value == null) { cmb.SelectedValue = 0; } else { cmb.SelectedValue = Convert.ToInt32(value); } }