if not rs.EOF if not rs.EOF then response.write "alert('对不起,用户名已经被人注册');history.back(-1)" else response.write "注册成功"response.end end ifRs.addnewRs("user")=ars("password")=brs.updateresponse.write " 写入成功"%>

if not rst.eof if not rs.eof rs.open sql,connif not rs.eof thensession(isadm)=admelsesession(isadm)=userend if这里面rs.eof是对数据库查询结果作如何判断? 谁能详细解释asp中if not rs.eof and not rs.bof then怎么理解? 请问下RS.这个是WinCC关于SQL数据库的一小段,其中的RS.EOF是啥意思的?谢谢啦strSQL = "ｓｅｌｅｃｔ * From SQL_DATA "Set Rs = cn.Execute(StrSQL)If Rs.EOF Then .Else Do While Not Rs.EOF. if rs.eof or rs.bof then 和if rs.eof and rs.bof 它们一样不? if not eof()是啥意思visual foxpro中的语句 if not rs.EOF if not rs.EOF then response.write alert('对不起,用户名已经被人注册');history.back(-1) else response.write 注册成功response.end end ifRs.addnewRs(user)=ars(password)=brs.updateresponse.write 写入成功%> If Not (rs.BOF And rs.为什么他的值是0呢?应该是1啊! if not IF Not Rs.Bof [asp]asp里的.IF Not Rs.Bof Set Rs = Conn.Execute(Select * From Nt_Imgbook)IF Not Rs.Bof ThentitleIDArr = 全部商品1ElsetitleIDArr = 全部商品2End IFresponse.write titleIDArr IF ANY,IF SO,IF NOT,IF if never,if any,if not,if n=0 for m=1 to rs.PageSize if rs.EoF then exit for if one day we are not tobether rs rlsowith the same 看看这个代码里的 exit for for 1= 1 to rs.recordcount //rs为一个记录集.Rs.movenextif Rs.eof then exit fornext end if 请问当rs.eof为真时执行 exit for next if...not同义词 If It's Not If not 什么意思