Try to provide an id for the <s:form> tag
Andvar Woo schrieb:
> When I try to use <s:doubleselect/> ,it does not work.
> below is a segment of the exception thrown
> Expression parameters.formName is undefined on line 76, column 43 in
> template/simple/doubleselect.ftl.
> The problematic instruction:
> ----------
> ==> ${parameters.formName} [on line 76, column 41 in
> template/simple/doubleselect.ftl]
> in include "/${parameters.templateDir}/simple/doubleselect.ftl" [on line 3,
> column 1 in template/xhtml/doubleselect.ftl]
> ----------
>
> Java backtrace for programmers:
> ----------
> freemarker.core.InvalidReferenceException: Expression parameters.formName is
> undefined on line 76, column 43 in template/simple/doubleselect.ftl.
> at freemarker.core.TemplateObject.assertNonNull(TemplateObject.java:124)
> at freemarker.core.Expression.getStringValue(Expression.java:118)
> at freemarker.core.Expression.getStringValue(Expression.java:93)
> at freemarker.core.DollarVariable.accept(DollarVariable.java:76)
> at freemarker.core.Environment.visit(Environment.java:196)
> at freemarker.core.MixedContent.accept(MixedContent.java:92)
> below is the complete code.I use doubleselect.action to test the page,
> doubleselect.jsp is also tested,both donot work.
>
> <%@ page pageEncoding="utf-8" %>
> <%@ page contentType="text/html;charset=utf-8" %>
> <%request.setCharacterEncoding("utf-8"); %>
> <%@ taglib prefix="s" uri="/struts-tags" %>
>
> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
> "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd";>
> <html xmlns="http://www.w3.org/1999/xhtml";>
> <head>
> <title>Struts 2 Cool Tags - <s:doubeselect/ ></title>
> <s:head />
> </head>
> <body>
> <h2><s:doubleselect/></h2>
> <s:form action="Store" >
> <s:set name="foobar"
> value="# {'Java': {'Spring', 'Hibernate', 'Struts 2'}, '.Net': {'Linq', '
> ASP.NET 2.0'}, 'Database': {'Oracle', 'SQL Server', 'DB2', 'MySQL'}}" />
> <s:doubleselect list="#foobar.keySet()"
> doubleName="technology"
> doubleList="#foobar[top]"
> label="Technology" />
> </s:form>
> </body>
> </html>
>
---------------------------------------------------------------------
To unsubscribe, e-mail: [EMAIL PROTECTED]
For additional commands, e-mail: [EMAIL PROTECTED]
