This is not 100% true. In JSF 1.2, non-deferred EL expressions may be
used in IDs:
<my:component id="${someVar}" />
Just remember that ${} is evaluated during JSP tag execution, not
during the component tree traversal.
-Andrew
On Wed, Nov 26, 2008 at 2:35 AM, Matthias Wessendorf <[EMAIL PROTECTED]> wrote:
> Hi,
>
> EL is not supported on ID:
>
> (The Trinidad doc (true for JSF at all) is more specific on this:
> http://myfaces.apache.org/trinidad/trinidad-api/tagdoc/tr_inputText.html
> )
>
>
>
> On Wed, Nov 26, 2008 at 10:26 AM, jhomuth <[EMAIL PROTECTED]> wrote:
>> Hello List,
>>
>> it's strange, I wanted to ask the same question at the same moment. I also
>> try to set the id from a controller value via EL. But the EL ist not treated
>> like EL but rather than a String, because I always get the message
>>
>> "java.lang.IllegalArgumentException: component identifier's first character
>> must be a letter or an underscore ('_')! But it is "#"
>>
>> That's why I quess the Expression (<tom:selectManyListbox
>> id="#{TargetSystemConfigurationController.availableListID}" binding="#...)
>> will be treated like a string.
>>
>> Is there any solution for this.
>>
>> Johannes
>>
>>
>>
>>
>> [EMAIL PROTECTED] wrote:
>>>
>>> Good morning,
>>>
>>> I have a datatable wich use a list of simple object. When i use an
>>> outputtext inside the table like this:
>>>
>>> <h:outputText value="#{myVar.name}">
>>>
>>> it's working.
>>> When I try to use the same property (or another one) for the id of the
>>> component the text is correctly outputted but I get an empty id (I put a _
>>> in front to don't get exception):
>>>
>>> <h:outputText id="_#{myVar.name}" value="#{myVar.name}"> ID NOT WORKING,
>>> empty
>>> <h:outputText id="_#{myVar.id}" value="#{myVar.name}"> ID NOT WORKING,
>>> empty
>>>
>>> Without underscore in front i get directly an exception:
>>>
>>> <h:outputText id="#{myVar.name}" value="#{myVar.name}">
>>> <h:outputText id="#{myVar.id}" value="#{myVar.name}">
>>
>
>
>
> --
> Matthias Wessendorf
>
> blog: http://matthiaswessendorf.wordpress.com/
> sessions: http://www.slideshare.net/mwessendorf
> twitter: http://twitter.com/mwessendorf
>
