[an error occurred while processing this directive]

Optgroup Tag (Form Tag) Example

                         

In this section, we are going to describe the optgroup tag. The optgroup tag is a UI tag that creates an optgroup component which needs to reside within a select tag <s:select>.

Add the following code snippet into the struts.xml file.
struts.xml

<action name="optgroupTag">
       <result>/pages/uiTags/optgroupTag.jsp</result>
</action>

Create a jsp using the tag <s:optgroup> within the <s:select> tag. It creates an optgroup component. This tag contains few parameters:

The label parameter sets the label attribute In our case we have set it to "Hardware" and "Software".

optgroupTag.jsp

<%taglib prefix="s" uri="/struts-tags" %>
<html>
    <head>
        <title>Optgroup Tag Example!</title> 
  </head>
    <body>
  <h1><span style="background-color: #FFFFcc">Optgroup Tag Example!</span></h>
  <s:form>
    <s:select label="Please Select"
          name="select"
          list="%{#{'PROGRAMMING':'Programming', 'DATABASE':'DataBase',
                              'WEBAPPLICATION':'WebApplication'}}"
>
          <s:optgroup label="Hardware"
                list="%{#{'CPU':'Centeral Processing Unit','MOUSE':'Mouse',
                                             'KEYBOARD':'Keyboard'}}" 
/>
          <s:optgroup label="Software"
                list="%{#{'SYSTEM SOFTWARE':'System Software','APPLICATION 
                                    SOFTWARE':'Application Software'}}" 
/>
    </s:select>
  </s:form>
  </body>
</html>

Output of the optgroupTag.jsp:

                         

[an error occurred while processing this directive]