Balkrishna,
Well your solution seems fine, except for it being quite
inefficient.
Why not store the value returned by the call to
request.getParameter("name");
in a variable and if the value is not null proceed or else don't.
Not very efficient to make two calls to the same method for the same
parameter.
Have a nice day.
With regards,
Sachin S. Khanna.
www.emailanorder.com
----- Original Message -----
From: Balkrishna <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Monday, January 29, 2001 11:13 PM
Subject: Re: handling Query strings
> One possible solution for this is first check the parameter for null if
its
> null dont get that parameter
> e.g.
>
> if(request.getParameter("id")!=null)
> {
> String str = request.getParameter("id") ;
> }
>
> ----- Original Message -----
> From: "Venkat" <[EMAIL PROTECTED]>
> To: <[EMAIL PROTECTED]>
> Sent: Saturday, February 24, 2001 5:41 PM
> Subject: [JSP-INTEREST] handling Query strings
>
>
> > Hi All
> >
> > When we more than one querystring in JSP, how do we
> > read then in the next page, because if we use
> > request.getQueryString(), it returns the whole string
> > after '?'
> >
> > and if we use request.getParameter("parameterName"),
> > it works fine, but when requests come from different
> > pages and they do not contain this parameter, it
> > throws nullpointer exception.
> >
> > In detail:
> >
> > abc.jsp?id=123, in abc.jsp we can read id by using
> > request.getParameter("id"), but if a request comes
> > from another page, say, xyz.jsp to abc.jsp without any
> > parameter, abc.jsp throws expection
> >
> > Is there any better way of dealing with these
> > querystrings/parameters. any examples/links are
> > highly appreciated
> >
> > Regards
> >
> > Venkat
> >
> >
> >
> > _________________________________________________________
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