hi magesh,
getParameter function in request object will
return null if there is no value/variable found
in the object, it won't through the nullPoniterException.
Make sure that you are not calling any function on
the retrived value when it is null.
hope this helps ...
with regards,
rathna.
>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
>Mahesh
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