LINQ TO ENTITY 查看编译后的SQL

 var sql = from a in db.RIG_RB where a.CYC == RB.CYC && a.RQ == TempRQ && a.ZJDH == RB.ZJDH select a.JH;
                        if (sql.Count() > 0)
                        {
                            string SQL = (sql as ObjectQuery).ToTraceString();

                        }