Add a form element

Question

Hi everybody
I want to create some text box on my form dependent on selected option from my combobox . what should i do ?

Answer 1

                           //code for populating the array with  the textbox value you want to display
     <script type="text/javascript">
     var desc = new Array(); //this is the array i was talking about
     var index = 1;
          <%
               for(int i = 0; i < moduleDesc.size(); i++){
                    %>
                         desc[index] = '<%= somevalue%>' ;
                         index++;
                    <%                                                  
          %>
     </script>
     //the combobox that call the javascript function showDisplay()
<html:select property="systemModule" styleClass="list_box_common" style="width:180" onchange="showDisplay();"> //this the method called when a value in the combobox is selected
     <html:option value="0">[SELECT]</html:option>
     <html:options collection="<%=somecollection class%>" property="value" labelProperty="label"/>
</html:select></td>
// showDisplay() javascript function
<script>
     function showDisplay(){
               var content = desc[document.forms[0].systemModule.value]; //retrieve the combobox value
          document.forms[0].sysModuleDesc.value = content; // set the text box value
</script>hope u got it
Jubs