sql 调用reader

            string sql1 = "select * from pjy_M where lo=@s";
                    SqlParameter[] separm = new SqlParameter[]{
                   new SqlParameter("@s",sname),
                  
              };

                    using (SqlDataReader readers = Pjy.DBUtility.DbHelperSQL.ExecuteReader(sql1, separm))
                    {
                        if (readers.HasRows)
                        {
                            while (readers.Read())
                            {
                                shopdata = readers["Addtime"].ToString();
                                shopyear = Convert.ToDateTime(readers["Addtime"].ToString()).Year;
                            }

                        }
                    }

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