html:select / DIV / document.getElementById(why).innerHTML

[john lee <sh...@yahoo.com>]

i have 2 html:select, second html:select display corrspondent result after first html:select element is selected, the selection will trigger customried ajax on fly.
   
  second html:select can generate and displayed results, but cannot generate selection box(dropdown list),  why? or limition of struts for the html:select?
   
  if i make change to second jsp file, and change from "html:select" to regular "select", the results can display inside dropdown list.
   
  after calling document.getElementById(why).innerHTML,  the output of "html:select" why can not be recognized by struts?
   
  any expert can provide input?
   
  tks in advance
   
  john
   
   
   
  File1.jsp
  <script>
  .....
  /* some script code to called file2.jsp to generate the result */
  .....
  document.getElementById(why).innerHTML=response;
  .....
  </script>
  <table>
     <tr><td>
          <html:select property="course_name" onchange="showstudent(this.form)">
                <html:option value="maths"/>
                < html:option value="english"/>
         </html:select>
    </td></tr>
    <tr><td> 
           <div id="why">student name here </div>
   </td><tr>
  </table>
   
  file2.jsp
  <html:select property="student_name"> 
                <html:option value="john"/>
                < html:option value="mary"/>
  </html:select>

       
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Re: html:select / DIV / document.getElementById(why).innerHTML

[Dave Newton <ne...@yahoo.com>]

--- john lee <sh...@yahoo.com> wrote:
>   my jsp just have struts <html:select
> property="studentname"> and <html:option
> value="john"/> and </html:select> only.

HTML input element tags are only valid inside an
<html:form.../> tag. Your fragment does not have a
containing <html:form.../> tag; since you are
returning it with an Ajax call that won't work.

That's why I said you may need to build your HTML by
hand in this case.

d.


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Re: html:select / DIV / document.getElementById(why).innerHTML

[john lee <sh...@yahoo.com>]

Dave,
   
  tks for ur help, I not quite understand your input.
   
  my problem is:  if output just generate plain html tag, the output result with dropdown list is fine, but if try to generate <html:select> struts tag, then output display without dropdown list, data still there.
   
  my jsp just have struts <html:select property="studentname"> and <html:option value="john"/> and </html:select> only.
   
  tks so much 
   
  john

Dave Newton <ne...@yahoo.com> wrote:
  --- john lee wrote:
> after calling
document.getElementById(why).innerHTML, 
> the output of "html:select" why can not be
recognized
> by struts?

IIRC the S1 form tags rely on there being an
and will break w/o it (I could
definitely be wrong on this point).

If this is the case, and your JSP fragment contains
only HTML form *element* tags Struts may not know how
to deal with it. You may have to write the HTML by
hand.

d.


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Re: html:select / DIV / document.getElementById(why).innerHTML

[Dave Newton <ne...@yahoo.com>]

--- john lee <sh...@yahoo.com> wrote:
> after calling
document.getElementById(why).innerHTML, 
> the output of "html:select" why can not be
recognized
> by struts?

IIRC the S1 form tags rely on there being an
<html:form.../> and will break w/o it (I could
definitely be wrong on this point).

If this is the case, and your JSP fragment contains
only HTML form *element* tags Struts may not know how
to deal with it. You may have to write the HTML by
hand.

d.


---------------------------------------------------------------------
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