[AccessD] Slightly OT: VBScript Short-Circuit logic?

The answer to your question is no.  Any thing you pass into OR is going to be evaluated (same is true in VB/VBA).

Try this code in VBA:

<snip>
Dim blnYes

    blnYes = True
    If blnYes Or CInt(70000) Then
        MsgBox "hi"
    End If
</snip>

You're going to get an overflow error even though blnYes = True.

HTH,

Jim DeMarco

-----Original Message-----
From: Joe Rojas [mailto:JRojas at tnco-inc.com]
Sent: Tuesday, December 23, 2003 9:53 AM
To: 'Access Developers discussion and problem solving'
Subject: RE: [AccessD] Slightly OT: VBScript Short-Circuit logic?


For example,

If I have an if statement like:

if rs.EOF or rs.fields("Somefield") = 1 then (rs is an ADODB recordset)

and EOF =True, I am receiving an error because vbscript is trying to execute
the rs.fields("Somefield") = 1 part and you can't do that when EOF.

It is not a big problem because I can code around this but I was hoping
vbscript would short-circuit on the rs.EOF part.

Thanks,
JR



-----Original Message-----
From: Jim DeMarco [mailto:Jdemarco at hshhp.org]
Sent: Tuesday, December 23, 2003 9:30 AM
To: Access Developers discussion and problem solving
Subject: RE: [AccessD] Slightly OT: VBScript Short-Circuit logic?

What particular logic are you questioning?

Jim DeMarco

-----Original Message-----
From: Joe Rojas [mailto:JRojas at tnco-inc.com]
Sent: Tuesday, December 23, 2003 9:12 AM
To: 'Access Developers discussion and problem solving'
Subject: [AccessD] Slightly OT: VBScript Short-Circuit logic?


Hi All,

Is it just me or does vbscript not use short-circuiting in its logic?

Thanks,
JR




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This electronic transmission is strictly confidential to TNCO, Inc. and
intended solely for the addressee. It may contain information which is
covered by legal, professional, or other privileges. If you are not the
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the sender as soon as possible and destroy this message. While TNCO, Inc.
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any damage caused by any virus transmitted by this email.
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