In HTML, the selected option is represented by the presence of the selected attribute on the <option> element like so: <option … selected>…</option> Or if you’re HTML/XHTML strict: <option … selected=”selected”>…</option> Thus, you just have to let JSP/EL print it conditionally. Provided that you’ve prepared the selected department as follows: request.setAttribute(“selectedDept”, selectedDept); then this should … Read more
Like this: <c:forEach var=”entry” items=”${myMap}”> Key: <c:out value=”${entry.key}”/> Value: <c:out value=”${entry.value}”/> </c:forEach>
I know this thread is a year old now but having experienced the same problem I managed to solve the problem by setting a target server for my project. i.e. right-click on your project and select ‘Properties’ -> ‘Targeted Runtimes’ and select the server you going to run your web app on (Tomcat 6 or … Read more
First add this to the top of your .jsp file: <%@ taglib uri=”http://java.sun.com/jsp/jstl/core” prefix=”c” %> It will still give syntax error but you can fix that by adding javax.servlet:jstl:1.2 as a module dependency. To do that, follow these steps: Click your project name and press F4 to bring up the module settings dialog. Then go … Read more
EL expression: ${requestScope.Error_Message} There are several implicit objects in JSP EL. See Expression Language under the “Implicit Objects” heading.
A simple comparison against string works: <c:when test=”${someModel.status == ‘OLD’}”>
It look like that you’re using JSTL 1.0 with taglib URIs of 1.1/1.2. You have JSTL in different versions: 1.0: exist of two JAR files jstl.jar and standard.jar. Taglib URI is has no /jsp in path and library name is suffixed with _rt like http://java.sun.com/jstl/core_rt. Came along and requires at minimum Servlet 2.3 / JSP … Read more
I had a similar problem, I am using Tomcat 10. I was getting this error using Apache NetBeans 12.3 IDE. I added the following libraries: jakarta.servlet.jsp.jstl-api-2.0.0.jar jakarta.servlet.jsp.jstl-2.0.0 (1).jar My code is running fine now. link to see where I added them
It is not possible because they are executed in different environments (JSP at server side, JavaScript at client side). So they are not executed in the sequence you see in your code. var val1 = document.getElementById(‘userName’).value; <c:set var=”user” value=””/> // how do i set val1 here? Here JSTL code is executed at server side and … Read more
Maybe this answersyour question: CONTROLLER : @Controller(“https://stackoverflow.com/”) public class FooController{ //returns the ModelAttribute fooListWrapper with the view fooForm @RequestMapping(value = “/FOO”, method = RequestMethod.GET) public String getFooForm(Model model) { FooListWrapper fooListWrapper = new FooListWrapper(); fooListWrapper.add(new Foo()); fooListWrapper.add(new Foo()); //add as many FOO you need model.addAttribute(“fooListWrapper”, fooListWrapper); return “fooForm”; } @RequestMapping(value = “/FOO”, method = RequestMethod.POST) … Read more