I thought this was the case too, but running the file combination below
yields...
*** Error: Duplicate declaration of local variable "MB"
Ideas guys? I know you can't redefine a local variable twice, but how can I
'check' if it's defined first? ;)
Cheers,
Mike
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-----Original Message-----
From: A mailing list about Java Server Pages specification and reference
[mailto:[EMAIL PROTECTED]]On Behalf Of Ramgopal Mudigonda
Sent: Monday, 27 September 1999 6:38
To: [EMAIL PROTECTED]
Subject: Re: Working out if a bean has been instantiated?
Hi Mike,
My understanding is, if the bean instance does not exists, then it will be
created.Otherwise the the existing instance is used.
In your case also same is the answer.
-Ram
Mike Cannon-Brookes wrote:
> G'day guys,
>
> How can I work out if a bean has been instantiated?
>
> ie -
>
> fileA.jsp :
> <jsp:useBean id="MB" class="MyBean" scope="application"/>
> <%@ include file="fileB.jsp"%>
>
> fileB.jsp :
> <jsp:useBean id="MB" class="MyBean" scope="application"/>
>
> Sometimes fileB.jsp is included in a file where the bean has already been
> used, hence the variable exists. Othertimes, fileB will be the first to
use
> the bean, and will hence create the pointer to it.
>
> Any ideas?
>
> Cheers,
> Mike
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