Immediate postback does not retain field values under a dataTable

A fairly common input dialog requirement is allowing the user to enter a variable number of rows of data -- as a concrete example say the form has one <h:inputText/> for a subject followed by a <h:dataTable/> initially with one <h:inputText/> for a URL, with a <h:commandButton immediate="true"/> called "Add Row". The user fills in subject, enters a URL, and then pushes "Add Row" to allow the entry of a second URL. This is an "immediate" button, and the action just adds a new element to the backing bean property which is a list of URL's.
This almost+ does what the developer wants -- the form is redisplayed with a new empty URL row, the subject field remains filled in with what the user already entered, but the problem is the already filled in URL field is reset to blank.
So it appears that input fields inside of a <h:dataTable/> do not retain user input if the form is submitted in immediate mode, but fields outside of <h:dataTable/> are preserved.
I am using Sun's RI JSF 1.2, and it is not clear if this is just a bug, or some fundamental limitation. Given that the input fields in a data table have unique names that include the row index it seems possible that the posted parameters for the rows in a data table that remain after the action method adds or removes a row can be applied to the new view, just like for fields outside of the data table, and furthermore, this is what the user and developer would expect.
The questions are:
<ol><li>Is this a bug?</li>
<li>If it is not a bug, what is another way to achieve the desired behavior?</li>
</ol>

EEG wrote:
Hello.
I'm using Apex 4.1.0 on Oracle 10.2.0.5 and Oracle app server (mod_plsq).
Unfortunately, whenever I change this field to "InActive" in an existing row and then click my "Add Row" button, the tabular form re-appears with a new row but the modified row still has "Active" as the setting.
I checked the values in my COL_CHOICES collection to be sure that the "active_status" field actually changed from "Active" to "InActive" for the existing/modified row. And it did. The modified row in the collection shows "InActive" as the value, even though the page displays "Active" for the value.
How then can I make this drop down show the actual modified value?
I've looked at the APEX_ITEM docs and have tried various combinations of the parameters but nothing works.The second parameter to <tt>apex_item.select_list</tt> is the value for the control. Your code has
apex_item.select_list(16, null, 'Active;Y,InActive;N', 'style="color:darkred;"', 'NO', '%NULL%', '%', 'f16_' || '#ROWNUM#', NULL, 'NO') active_statusThis will always have the value NULL and thus default to the first option "Active". You need to use the appropriate column from the collection here instead of NULL:
apex_item.select_list(16, c021, 'Active;Y,InActive;N', 'style="color:darkred;"', 'NO', '%NULL%', '%', 'f16_' || '#ROWNUM#', NULL

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