The call to request.getParameterValues("chkbox") should be returning
null, not throwing an exception.
Anyway, if you want to make sure you have a non-null array with 0 or
more elements, you could write a scriptlet like:
<%
String[] chkboxes;
if( request.getParameter("chkbox") == null ) {
chkboxes = new String[0];
} else {
chkboxes = request.getParameterValues("chkbox");
}
if( chkboxes.length > 0 ) {
// . . . do something . . .
}
%>
"Pillai, Arumugam" wrote:
> Hi there,
>
> When i call
>
> request.getParameterValues("chkbox")
> and if no chkbox is selected, its throwing a java.lang.NullPointerException
> error.How should i handle this.
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