val() function in VBscript.-- Variable is undefined!!

[Cerebrate]

I try to convert a string to number for calculation,
"XX=XX + val(a_string)"
but got this error:

" Variable is undefined: 'val' "

what shoud I do??
please help me!

Cerebrate

[dvst8]

why not use


CLng(anynumber)


to convert to number?

[Mark Sreeves]

Val() is not suported in VBScript
take a lok at http://forums.vb-world.net/showthread.php?threadid=18175