New  display:column attribute tdIdPostfix
-----------------------------------------

                 Key: DISPL-395
                 URL: http://jira.codehaus.org/browse/DISPL-395
             Project: DisplayTag
          Issue Type: New Feature
            Reporter: Martin Soltis


It would be nice if display:column tag had attribute tdIdPostfix. 
If this attribute is set in some column, this column in every row should have 
unique id which consist of: tableId, rowNumberOnPage and tdIdPostfix.
We have JS object which can really easy access values, inputs ...  in 
particular rows and columns in specified table via tdIdPostfix and row# so 
validation is therfore very easy to specify. 

Example src:
<display:table id="fileCtx" ... >
                        <display:column title="File Name" tdIdPostfix="name">
                                ...
                        <display:column>
                        ...
</display:table>

Example html:
<table class="disptag" id="fileCtx">
        <thead>
                <tr>
                        <th>File Name</th>
                </tr>
        </thead>
        <tbody>
                <tr class="odd">
                        <td id="fileCtx_0_name"><input .../></td>
                        <td>...</td>
                </tr>
                <tr class="even">
                        <td id="fileCtx_1_name"><input .../></td>
                        <td>...</td>
                </tr>
                <tr class="odd">
                        <td id="fileCtx_2_name"><input .../></td>
                        <td>...</td>
                </tr>
        </tbody>
</table>


Martin

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