无效的过程调用或参数: 'leftb'
response.buffer=true

formsize=request.totalbytes

formdata=request.binaryread(formsize)

bncrlf=chrb(13) & chrb(10)

divider=leftb(formdata,clng(instrb(formdata,bncrlf))-1) /////11行

datastart=instrb(formdata,bncrlf & bncrlf)+4

dataend=instrb(datastart+1,formdata,divider)-datastart

mydata=midb(formdata,datastart,dataend)


set conn=server.createobject( "ADODB.connection ")
conn.open "PROVIDER=SQLOLEDB.1;DATA SOURCE=218.244.136.24;User ID=cn07140;Password=e2b1e8h0;DATABASE=cn07140_db "
set rec=server.createobject( "adodb.recordset ")

rec.open "select * from images where id is null ",conngraph,1,3

rec.addnew

rec( "img ").appendchunk mydata

rec.update

rec.close

set rec=nothing

set conngraph=nothing

%>
从网上下的一段代码,提示 第 11 行
无效的过程调用或参数: 'leftb '
请高手指点

[解决办法]
如果还错的话 leftb应该是这个程序作者写的一个函数/过程