I'm having difficulty declaring and using numeric variables with the
JSTL. It appears that when setting a variable whos value I retreive from
an object in the request, I always get a String and I am unable to do
math with it. eg:
<c:set var="pagesUnformatted"
value="${requestScope.report.recordCount /
reqeustScope.report.recPerPage}" />
<c:out value="${pagesUnformatted}" />
<fmt:formatNumber value="${pagesUnformatted}" maxFractionDigits="0"
var="pages" />
<c:out value="${pages}" />
The first out statement prints "Infinity". The second one produces no
output.
If I change one of the variable names in my divide-by statement to a
number, I get an error stating that:
javax.servlet.jsp.JspException: An error occurred while evaluating
custom action attribute "value" with value "${pageScope.recordCount /
25}": An exception occured trying to convert String
"number(requestScope.report.recordCount)" to type "java.lang.Double"
Thanks for your help in advance. I think I'm just missing something
about these variables conceptually.
~Austin Lowry
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