string[] strTemp = dr["flyso"].ToString().Trim().Split(new char[] { ',' });   //拆分字符串  
                for (int i = 0; i < strTemp.Length; i++)
                {
                    for (int j = 0; j < cbl_province.Items.Count; j++)
                    {
                        if (strTemp[i].Trim() == cbl_province.Items[j].Value.Trim())
                        {
                            cbl_province.Items[j].Selected = true;

                        }
                    }
                }