Yup u are rite . Thankx
have a nice day
Balkrishna Parab
----- Original Message -----
From: "Sachin S. Khanna" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Monday, February 26, 2001 1:49 AM
Subject: Re: [JSP-INTEREST] handling Query strings
> 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
> > >
> > >
> > >
> > > _________________________________________________________
> > > Do You Yahoo!?
> > > Get your free @yahoo.com address at http://mail.yahoo.com
> > >
> > >
> ========================================================================
> > > ===
> > > To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff
> > > JSP-INTEREST".
> > > For digest: mailto [EMAIL PROTECTED] with body: "set
> JSP-INTEREST
> > > DIGEST".
> > > Some relevant FAQs on JSP/Servlets can be found at:
> > >
> > > http://java.sun.com/products/jsp/faq.html
> > > http://www.esperanto.org.nz/jsp/jspfaq.html
> > > http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP
> > > http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets
> >
> >
> ========================================================================
> ===
> > To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff
> JSP-INTEREST".
> > For digest: mailto [EMAIL PROTECTED] with body: "set JSP-INTEREST
> DIGEST".
> > Some relevant FAQs on JSP/Servlets can be found at:
> >
> > http://java.sun.com/products/jsp/faq.html
> > http://www.esperanto.org.nz/jsp/jspfaq.html
> > http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP
> > http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets
> >
>
> ========================================================================
> ===
> To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff
> JSP-INTEREST".
> For digest: mailto [EMAIL PROTECTED] with body: "set JSP-INTEREST
> DIGEST".
> Some relevant FAQs on JSP/Servlets can be found at:
>
> http://java.sun.com/products/jsp/faq.html
> http://www.esperanto.org.nz/jsp/jspfaq.html
> http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP
> http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets
===========================================================================
To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST".
For digest: mailto [EMAIL PROTECTED] with body: "set JSP-INTEREST DIGEST".
Some relevant FAQs on JSP/Servlets can be found at:
http://java.sun.com/products/jsp/faq.html
http://www.esperanto.org.nz/jsp/jspfaq.html
http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP
http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets
