通过传入的栏目编号找出并返回当前栏目编号及其所有子栏目编号

 /// <summary>
       /// 通过传入的栏目编号找出并返回当前栏目编号及其所有子栏目编号
       /// </summary>
       /// <param name="bp_code"></param>
        public DataSet FindAllChildAndSelfCode(string bp_code)
        {
            try
            {
                StringBuilder strSql = new StringBuilder();
                strSql.Append("SELECT BP_CODE FROM F_T_PUB_BASICPERM WHERE ");
                strSql.Append("PARENT_ID IN (SELECT BP_CODE FROM F_T_PUB_BASICPERM WHERE ");
                strSql.Append("PARENT_ID =@BP_CODE) UNION SELECT BP_CODE FROM F_T_PUB_BASICPERM WHERE PARENT_ID =@BP_CODE");

                SqlParameterCollection OParmList = SqlHelper.GetSqlParmCollection();
                SqlHelper.AddParam("BP_CODE", SqlDbType.NVarChar, bp_code, OParmList);
                return SqlHelper.ExecuteDataSetByParm(strSql.ToString(), OParmList);
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }