public Result isDelete() { string bookNum = Request["bookNum"]; Result row = Result.记录不存在; if (bookbll.IsDelete("t_salemonomer", "bookNum", bookNum) == Result.关联引用) { row = Result.关联引用; } if (bookbll.IsDelete("t_stock", "bookNum", bookNum) == Result.关联引用) { row = Result.关联引用; } if (bookbll.IsDelete("t_replenishmentmonomer", "bookNum", bookNum) == Result.关联引用) { row = Result.关联引用; } if (bookbll.IsDelete("t_selloffmonomer", "bookNum", bookNum) == Result.关联引用) { row = Result.关联引用; } if (bookbll.IsDelete("t_retailmonomer", "bookNum", bookNum) == Result.关联引用) { row = Result.关联引用; } if (bookbll.IsDelete("t_monomers", "bookNum", bookNum) == Result.关联引用) { row = Result.关联引用; } return(row); }