How to use SELECT tag inside iterate tag for String array

[Steven <st...@steven.com.hk>]

Hi,

I want to create a table of html <select> elements, and I have a Form 
bean which has a 2D String array and a 1D String array:

String[][] optionSelected;
String[] options;

I think the code in the jsp should be something like this:

<logic:iterate id="row" name="selectOptionsForm" property="optionSelected">
    <tr>
     <logic:iterate name="col" name="row">
         <td>
          <html:select name="col" property="???" indexed="true">
             <html:options property="options" />
          </html:select>
          </td>
     </logic:iterate>
     </tr>
</logic:iterate>

But what values should I assign to the "property" of the SELECT tag??

Alternatively, I've also tried not to use the iterate tag:

<html:select property='<%="optionSelected[" + i + "][" + j + "]"%>'>
     <html:options property="options" />
</html:select>

and the generated html looks like this:

<select name="optionSelected[0][0]">
<option value="A">A
<option value="B">B
....
</select>

however, when I click the "Submit" button, I got the 
"ArrayIndexOutOfBoundsExcepion" error!

How should I write the iterate and select tags, and the setter and 
getter methods of the Form bean so that the values in "optionSelected" 
are correctly retrieved and set after submission?


Thanks a lot for your help!!!

Steven



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