VBScript returns an error of "Name redefined"

Question

I have an alert box, and if I'm currently on the test Database, I want the alert box to have different text when compared to live database.

So I declared a variable called isTestDb and set it to True, but I keep getting this annoying error:

Microsoft VBScript compilation error '800a0411'

Name redefined

myfiles/conn_open.asp, line 12

Dim isTestDb
----^

Here is my simple code which sits inside an include at a much higher level than where I'm doing my conditional check, I'm assuming that isn't a problem.

Dim isTestDb

isTestDb = True


-- Much Later in another file somehwere

If isTestDb Then
    Response.Write("<h1>It is set to True</h1>")
    Response.End
Else
    Response.Write("<h1>It is set to False</h1>")
    Response.End
End If

I have checked all my working directory and I'm certain that variable is not set somewhere else by the same name, I even tried different names for the variable and got the exact same error.

What does 'reversed word' mean in this context? I have updated to show where variable is set. Thanks David. — J86
– J86, Commented Nov 13, 2013 at 11:49
Can't see a problem with the code you've posted, there must be more to it than just these bits... Whats on line 12 of "conn_open.asp"? — Rich
– Rich, Commented Nov 13, 2013 at 11:54
The only thing that is different is where the check is being done (different file through includes), otherwise, that is my exact code :/ — J86
– J86, Commented Nov 13, 2013 at 11:55
If you get a "name redifined" error, then you definitely have redefined a name. Maybe you have a Function/Sub with that name elsewhere? — Tomalak
– Tomalak, Commented Nov 13, 2013 at 11:55

rdans · Accepted Answer · 2015-10-07 14:24:18Z

9

In my case this was due to the fact that I had referenced the same file twice in my .asp file using:

<!--#include file="myFile.asp">

And the referenced file had the declaration in it hence the second declaration conflicted with the first

answered Oct 7, 2015 at 14:24

rdans

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Michele La Ferla · Accepted Answer · 2014-11-26 15:04:59Z

5

This is happenning because the variable, isTestDb has already been defined in another page.

edited Nov 26, 2014 at 15:04

Michele La Ferla

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answered Nov 26, 2014 at 14:35

Fox

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J86 · Accepted Answer · 2013-11-13 12:00:52Z

2

I have no idea why, but when I removed the Dim isTestDb line, it all works as expected now!! :/

answered Nov 13, 2013 at 12:00

J86

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6 Comments

Tomalak Over a year ago

VB dialects are case insensitive, maybe you missed the original declaration because of that?

Lasse Edsvik Over a year ago

It's because the file you include conn_open.asp also has a Dim in it

J86 Over a year ago

@Tomalak that can't be it, because I used variables named after cartoon characters, and it was still giving the error. @LasseEdsvik why would that matter if the Dim in the other files were named differently?

Tomalak Over a year ago

On a general note I strongly recommend writing no VB code without Option Explicit. Other than that it's hard to pin down without seeing your entire code, but the error is definitely on your end, not on the VBS end.

AutomatedChaos Over a year ago

If you removed the Dim isTestDb line and it is now working fine, changes are that you are overwriting an earlier used variable with global scope. While it seems everything works as expected, strange and difficult-to-debug errors are luring in the dark. Change your variable name (do a case insensitive search so you are not forgetting one in your script!), use option explicit and try to limit the usage of global variables to a minimum.

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Gil Allen · Accepted Answer · 2018-02-21 12:01:21Z

2

it can also be because you are including file you already including in other include file.

For example: File a.asp is including x.asp. And in your main file you including both:

<!--#include file="a.asp">
<!--#include file="x.asp">

answered Feb 21, 2018 at 12:01

Gil Allen

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