Re: [S2] Multiple problem

Thu, 14 Jun 2007 01:38:47 -0700 

Thanks, Laurie.

Your OGNL expression does work!

<s:iterator id="do" value="destObjects">
 <tr>
    <s:iterator value="visibleColumns">
      <td>
        <s:property value="%{#do[fieldDefName]}"/>
      </td>
    </s:iterator>
  </tr>
</s:iterator>
In fact, I have been trying in many ways. Here is the most similar expression as yours which seems to be right at all: 

<s:iterator id="do" value="destObjects">
 <tr>
    <s:iterator value="visibleColumns">
      <td>
        <s:property value="%{#do.%{fieldDefName}}"/>
      </td>
    </s:iterator>
  </tr>
</s:iterator>

But it does not work! I quite not understand it.


Thanks you again :)









From: Laurie Harper <[EMAIL PROTECTED]>
Reply-To: "Struts Users Mailing List" <user@struts.apache.org>
To: user@struts.apache.org
Subject: Re: [S2] Multiple <s:iterator/> problem
Date: Wed, 13 Jun 2007 14:54:58 -0400
Please keep related messages within the same thread and try to avoid re-posting a question without the context of any prior discussion. See below for another suggestion: 

Wei Xu wrote:

First, you can look through next jsp codes:

<s:iterator status="stat" value="destObjects">
<tr>
  <s:iterator value="visibleColumns">
    <td>
      <s:property value="destObjects[%{#stat.index}].%{fieldDefName}" />
    </td>
  </s:iterator>
</tr>
</s:iterator>
Why do the indexing into destObjects manually when s:iterator is already doing it for you? How about something like this: 

  <s:iterator id="do" value="destObjects">
  <tr>
    <s:iterator value="visibleColumns">
      <td>
        <s:property value="%{#do[fieldDefName]}"/>
      </td>
    </s:iterator>
  </tr>
  </s:iterator>

or, being a little more explicit if you prefer:

  <s:iterator id="do" value="destObjects">
  <tr>
    <s:iterator id="vc" value="visibleColumns">
      <td>
        <s:property value="%{#do[#vc.fieldDefName]}"/>
      </td>
    </s:iterator>
  </tr>
  </s:iterator>


ALL could not work:

<s:property value="destObjects[%{#stat.index}].%{fieldDefName}" />
<s:property value="%{destObjects[#stat.index].%{fieldDefName}}" />
<s:property value="%{fieldDefName}" />
The first two don't look like valid OGNL expressions to me; I don't know OGNL very well, but I wouldn't expect it to support nested expressions (%{...%{...}...}). 

L.


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